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Series I. Correspondence, 1951-2006, undated
Scope and Content Note
Series I.A. Artists, 1957-2006, undated
Scope and Content Note
Ackerman, Shmuel, 1985, undated
Correspondence, 1985
Color photographs, undated
Aeppli, Eva, 1983
Albers, Josef, 1962-1969, undated
Scope and Content Note
Alex, Kosta, 1972
Allen, Richard, 1978
Alvermann, Hans Peter, 1966, undated
Appel, Karel, 1958
Arakawa, Shūsaku, 1963-1980, undated
Scope and Content Note
1963-1964
1965
1966
1967
1968-1980
undated
Arman [Armand Pierre Fernandez], 1960-1966, undated
Scope and Content Note
Armitage, Kenneth, 1959
Arnal, François, undated
Scope and Content Note
Aylon, Helene, 1976
Baikas, Nicos, 1981-1983
Baumgartl, Monika, 1978
Baumüller, Heinz, 1979
Bayrle, Thomas, 1966
Berg, Peter, 1979-1982, undated
Beuys, Joseph, 1982-1994, undated
Scope and Content Note
1982-1983
1986-1994
undated
Bijl, Guillaume, 1986-1987, undated
Scope and Content Note
Bladen, Ronald, 1998
Blume, Bernhard Johannes, 1980-1985, undated
Borduas, Paul-Émile, 1958-1983
Bouchard, Dorothée, 1979, undated
Scope and Content Note
Bour, Bernadette, 1979
Breick, Dorothea, 2006
Brink, Guido, 1961-1968, undated
Broodthaers, Marcel, 1968-1969
Brouwn, Stanley, 1964-1965, undated
Bundt, Livinus Arie Cornelius Jan van de, undated
Scope and Content Note
Buthe, Michael, 1986, undated
Cahn, Miriam, 1983-1985, undated
Scope and Content Note
Calderara, Antonio, 1966, undated
Scope and Content Note
Campigli, Massimo, 1957
Scope and Content Note
Capogrossi, Giuseppe, 1966, undated
Capps, Kenneth, 1976-1981, undated
Caro, Anthony, 1988
Cena, Gabriele, undated
César, 1958
Chadwick, Lynn, 1958-1959, undated
Charchoune, Serge, 1963, undated
Scope and Content Note
Chia, Sandro, 1981
Chillida, Eduardo, 1979-1988
Christo, 1962-1974
Scope and Content Note
1962
1963
1963-1965
1964
1965
1966
1967-1968
1970
1974
Cimiotti, Emil, 1967
Claus, Jürgen, 1965-1966
Clemens, Adolf, 1965-1967, undated
Scope and Content Note
Cooper, Ron, 1970-1979, undated
Scope and Content Note
Cordier, Thierry de, 1988-1989
Scope and Content Note
Cousins, Harold, 1960-1967, undated
Cramer, Gert W., 1959
Cucchi, Enzo, 1983-1992, undated
Daniels, René, 1981
Darboven, Hanne, 1981
De Maria, Nicola, 1989
Dienst, Rolf-Gunter, 1978
Dryak, Ladislav, 1975
Dubuffet, Jean, 1971-1972
Scope and Content Note
Eggenschwiler, Franz, 1970-1978
Ernst, Jupp, 1979, undated
Etkin, Suzan, 1982
Eyck, Aldo van, 1968-1970, undated
Scope and Content Note
Fautrier, Jean, 1961
Filliou, Robert, 1966-1968
Floris, Marcel, 1979
Scope and Content Note
Fongi, Y, 1970-1972, undated
Fontana, Lucio, 1960-1968
1960-1961
1963-1964
1965
1966-1968
Francis, Sam, 1958
Geccelli, Johannes, 1960
Gehry, Frank, 1984-1995, undated
Scope and Content Note
Letters and printed matter, 1984-1995, undated
Color photographs and transparencies, undated
Geiger, Rupprecht, 1957, undated
Gejer, Teresa, 1981-1985
Genk, Willem van, 1969
Getz-Danes, Ilse, 1963-1964, undated
Gitlin, Michael, 1975-1981, undated
Letters and printed matter, 1975-1981, undated
1975
1976
1977
1978
1979
1980
1981
undated
Negatives and color slide, undated
Gnoli, Domenico, 1970
Goeritz, Mathias, 1958-1962
Scope and Content Note
Goller, Bruno, 1983
Gorda, Antoni, 1969, undated
Graubner, Gotthardt, 1960-1986, undated
Grosvenor, Robert, 1977
Haacke, Hans, 1965-1971
Hamilton, Richard, 1971
Haraguchi, Noriyuki, 1977-1980
Hausmann, Rudolf, 1976
Häusser, Robert, 1972
Heerich, Erwin, 1983-1986
Hilgers (Meuser), Klaus, 1984
Scope and Content Note
Hiltmann, Jochen, 1960-1968
Hockney, David, 1971
Hoever, Lisa, 1987-1990, undated
Scope and Content Note
Hoinka, Manfred, 1975, undated
Hollein, Hans, 1970
Holweck, Oskar, 1965
Holz, Rodolfo, 1969
Hossiasson, Philippe, 1958
Hsiao Chin, 1959
Hülsmann, Harald K., 1979
Hundertwasser, Friedensreich, 1959-1971
Hüppi, Alfonso, 1982, undated
Immendorf, Jörg, undated
Scope and Content Note
Indiana, Robert, 1965-1970, undated
Scope and Content Note
Correspondence, 1965-1970, undated
1965
1966
1967
1968
1969
1970
undated
Printed and illustrated matter, undated
Color photograph, undated
Jakob, Otto, 1986, undated
Scope and Content Note
Jendritzko, Guido, undated
Jonas, Joan, 1972-1976, undated
Judd, Donald, 1977
Junghanns, Julius Paul, 1973
Kahn, E., 1964-1965
Kalinowski, Horst Egon, 1957
Kaus, Marita, 1976, undated
Kelly, Ellsworth, 1975-1986, undated
Kemeny, Zoltan, 1958
Kerg, Theo, 1959
Kirkeby, Per, 1979
Klapheck, Konrad, 1959, undated
Klein, Yves, 1958-1965
Kline, Franz 1958
Klessinger, Reinhard, 1978
Köhler, Heinz Reinhold, 1958-1959, undated
Koliusis, Nikolaus, 1981
Kracht, Manfred, 1971
Kramer, Jürgen, 1973
Kricke, Norbert, 1958
Scope and Content Note
Kusama, Yayoi, 1961, undated
Correspondence, 1961, undated
Color photograph, undated
Laake, Heinz, 1967
Laky, Miloslav, undated
LaNier, Roland, 1961
Latham, John, 1960-1967, undated
Lenica, Alfred, 1972
Levee, John, 1958
Levinson, Mon, 1965
Lindner, Richard, 1964-1965
Lohmann, Julia, 1985, undated
Löwenstein, Christian, 1978-1983, undated
Scope and Content Note
Correspondence, 1978-1983, undated
1978-1980
1981
1982-1983
undated
Color photographs, undated
Lueg, Konrad, 1967, undated
Luginbühl, Bernhard, 1977-1985
Luz, Dieter, 1976, undated
Scope and Content Note
Mack, Heinz, 1965-1979, undated
Manzoni, Piero, 1959
Martin, Philip, undated
Mathieu, Georges, 1957-1970, undated
Scope and Content Note
1957-1965
1966-1970
undated
Card with collages, undated
Photocopies, undated
Matta-Clark, Gordon, 1976-1978, undated
Scope and Content Note
Correspondence, 1976-1978, undated
Photocopy of instructions, undated
Instructions for Office Baroque cut-out, undated
Two fold-outs
Color photograph
Mavignier, Almir, 1960
McDermott and McGough, 1986-1988
Meadmore, Clement, 1977-1983
Miller, Brenda, 1980
Minarik, Ladislav, 1978
Scope and Content Note
Mondrian, Piet, 1967, undated
Scope and Content Note
Monory, Jacques, undated
Montebello, Giancarlo, 1968
Morrel, Owen, 1979-1982, undated
Morris, Robert and Yvonne Rainer, 1964-1965, undated
Scope and Content Note
1964
1965
undated
Drafts of essay, undated
Motherwell, Robert, 1975-1976, undated
Müllenholz, Leo, 1976
Naar, Jon, 1966
Naylor, Martin, 1976
Nauman, Bruce, undated
Nestler, Wolfgang, 1978
Neusüss, Floris Michael, 1964
Nevelson, Louise, 1965, undated
Scope and Content Note
Letters, 1965
Curriculum vitae, undated
Newman, John, 1990, undated
Nicolaus, Egon-Karl, 1959-1963, undated
Oldenburg, Claes, 1979-1986
Scope and Content Note
Orgeix, Christian d', undated
Scope and Content Note
Orlando, Felipe, 1968
Orlopp, Detlef, 1959
Osterwold, Tilman, 1965-1966, undated
Scope and Content Note
Pannier, Suzanne, 1962
Parisot, Adriano, 1958-1959
Scope and Content Note
Peeters, Henk, 1960
Pichler, Walter, 1969-1984, undated
1969
1970
1971-1975
1984, undated
Piene, Otto, 1961-1988, undated
Scope and Content Note
1961-1962
1963-1964
1965
1966
1965-1966, undated
1967-1968
1988, undated
Pijuán, Joan Hernández, 1962, undated
Pinter, Klaus, 1983
Platschek, Hans, 1958
Scope and Content Note
Pleuss, Peter, 1965
Pohl, Uli, 1964-1965
Polke, Sigmar, 1984
Scope and Content Note
Priestersbach, Gerhard, 1959-1961
Rainer, Arnulf, 1961-1962
Raysse, Martial, 1961-1964
Reindeer Werk, 1975, undated
Scope and Content Note
Rennertz, Karl Manfred, 1983-1985
Richter, Gerhard, 1990, undated
Scope and Content Note
Richterich, Marco, 1961
Rickey, George, 1964-1965
Rinke, Klaus, 1977-1989
Roehr, Peter, 1965-1966
Rompel, Hannes, undated
Rosa, Leonardo, 1966, undated
Scope and Content Note
Roth, Dieter, 1959-1970
Rutkowsky, Michael, 1982-1983, undated
Scope and Content Note
Correspondence, 1982-1983
Color photographs, undated
Saint-Phalle, Niki de, undated
Salentin, Hans, 1962, undated
Scope and Content Note
Sandback, John, 1968, undated
Sarkis [Sarkis Zabunyan], 1971
Sauer, Michel, 1982-1986, undated
Scanavino, Emilio, undated
Scope and Content Note
Scarpitta, Salvatore, 1963, undated
Scope and Content Note
Schlenker, Felix, 1969
Schmaltz, Karl-Ludwig, 1968, undated
Scope and Content Note
Schmidt, Horst, 1964, undated
Schober, Helmut, 1975
Schoonhoven, Jan J., 1965-1966
Schultze, Bernhard, 1963-1968, undated
Scope and Content Note
1963
1964
1965-1968
undated
Schumacher, Emil, 1957
Schuppner, Robert, 1957-1959
Schwebler, Yuri, 1977
Schwegler, Fritz, 1971-1986, undated
Scope and Content Note
1971
1972
1973-1979
1980-1986
Description of art project, undated
Schweizer, Eberhard, 1972
Schwitters, Kurt, undated
Scope and Content Note
Scully, Sean, 1989-1990
Scope and Content Note
Serpan, Jaroslav [Jaroslav Sossountzov], 1958-1977
Serra, Richard, 1986
Shapiro, Shmuel, 1962, undated
Shinoda, Morio, 1961-1986
Shirakawa, Yoshio, 1983
Simonds, Charles, 1976
Skoda, Vladimir, 1976, undated
Scope and Content Note
Skreber, Dirk, 1987
Sonderborg, K. R. H., 1962
Scope and Content Note
Soto, Jesús Raphael, 1959-1966, undated
Scope and Content Note
1959
1961-1964
1965
1966
undated
Various items, 1966, undated
Spoerri, Daniel, 1959, undated
Scope and Content Note
Stalder, Anselm, 1976-1982
Steffens, Hans Hermann, 1959-1960
Steib, Karl Heinz, 1961
Štembera, Petr, 1969
Stenvert, Curt, 1965-1968
Sugaï, Kumi, 1957-1963, undated
Scope and Content Note
Sugarman, George, 1968
Sum Group, undated
Scope and Content Note
Takikawa, Yoshiko, 1975-1976
Tàpies, Antoni, 1957-1986, undated
Scope and Content Note
Correspondence, 1957-1986, undated
1957-1968
1971
1975, undated
Scope and Content Note
Letter, 1975
Color photograph, undated
1979
1980-1986, undated
Photographs and illustrated matter, undated
Color photographs and transparency, undated
Papers regarding oeuvre catalog, 1977-1979, undated
Correspondence, 1977-1979
Notes, undated
Typescript by Karl Ruhrberg, 1957
Scope and Content Note
Teubert, Erhard, 1965-1966, undated
Tevet, Nahum, 1975-1986, undated
1975
1976
1977
1978-1986
undated
Thieler, Fred, undated
Thorner, Hans (Krause), 1958
Tinguely, Jean, 1957-1986, undated
Scope and Content Note
Correspondence, 1957-1986
1957-1958
1959
1974-1986
Typescript, 1959
Cards and stationary designed by Tinguely, undated
Letter with color polaroids, undated
Tokarz, Georg, 1967
Tuttle, Richard, 1968-2002, undated
Scope and Content Note
Correspondence, 1968-1971, undated
1968-1971
1972, 1978
1979
1980
1981
1982
1984
1985
1986
1987
1988
1989
1990-1991
1992
1993
1994
1995
1996
1997
1998
2002
undated
Color photographs, undated
Scope and Content Note
Twombly, Cy, 1973-1983
Uecker, Günther, 1961-1984, undated
Scope and Content Note
Uhlig, Gerhard, 1966
Vallen, Jürgen, 1969-1984, undated
Scope and Content Note
Verlaan, Corneel, 1979
Viktor Four, 1966
Visser, Carel, 1966-1968
Voss, Kurt, 1958-1963
Weber, Ilona and Wolfgang, 1981-1982
Weber, Willy, undated
Scope and Content Note
Wedewer, Josef, 1957-1959
Weiss, Hugh, 1964, undated
Wewerka, Stefan, 1974-1983, undated
Scope and Content Note
Weyden, Adrian van der, 1961
Wheeler, Doug, 1970-1975
1970
1971
1975
Wholley, Jay N., 1975, undated
Scope and Content Note
Wiegand, Gottfried, 1985
Wilding, Ludwig, 1960-1961, undated
Wilson, Frank Avray, undated
Scope and Content Note
Wilp, Charles, 1959
Scope and Content Note
Winters, Terry, undated
Witschi, Werner Paul, 1960
Scope and Content Note
Wols, 1959-1962
Zangs, Herbert, 1974-1975
Scope and Content Note
Zeithamml, Jindrich, 1983
Unidentified 1976, undated
Scope and Content Note
Series I.B. Art galleries, 1957-1986, undated
Scope and Content Note
European Fine Arts Establishment, 1973
Fischbach Gallery, 1967
Fruitmarket Gallery, 1985
Galeria Maeght, Barcelona, 1979, undated
Correspondence and printed matter, photographs, 1979, undated
Color transparencies, undated
Galerie 22, 1959, undated
Galerie am Rathaus, Büdingen, 1966
Galerie Charles Lienhard, 1963
Scope and Content Note
Galerie de Seine, 1963
Galerie der Spiegel, 1959
Galerie Europe, 1960-1961, undated
Scope and Content Note
Galerie Ileana Sonnabend, 1964-1966, undated
Galerie Jean Bucher, 1966
Galerie Langer, 1971
Galerie Lawrence, 1962
Galerie Louise Leiris, 1969
Galerie Michael Werner, 1964
Galerie Neufville, 1960
Galerie Nordenhake, undated
Scope and Content Note
Galerie Parnass, 1957-1960
Galerie Pro, 1965
Galerie Rive Droite, 1959-1961
Scope and Content Note
Galerie R.K.K. (De Rotterdamse Kunstkring), 1961
Galerie Rottloff, 1962
Galerie S Ben Wargin, 1965
Galerie Ursula Lichter, 1968
Galerie Wilhelm Grosshennig, 1963
Galerie Wirth, 1965
Galerie Wulfengasse, 1966
Galleria Il Segno, 1965
Gallery London, 1974-1975
Johannesburg Art Gallery, 1980
Lafayette Parke Gallery, 1983
Lord's Gallery, 1959, undated
Scope and Content Note
1959
Typescripts on Schwitters, 1958
Nantenshi Gallery, 1983
Nicholas Wilder Gallery, 1968
Pace Gallery, 1970
Picadilly Gallery, 1966
Point galerie d'art moderne, Monaco, 1982, undated
Salita, Rome, 1958-1965, undated
1958
1961
1962
1963-1965, undated
Samuel M. Kootz Gallery, 1960
Sidney Janis Gallery, 1958-1960
Tokyo Gallery, 1973
Trinkaus Galerie, 1986
Waddington Galleries, 1966
Series I.C. Clients, 1951-1996, undated
Scope and Content Note
1950s to 1960s, 1951-1971, undated
Scope and Content Note
Akademie der Künste, Berlin, 1964-1966
Scope and Content Note
Aktionsgemeinschaft Zeitgenössische Kunst für das Düsseldorfer Museum, 1968-1969
Amtsgericht Düsseldorf, 1966-1967
Archivio storico d'arte contemporanea della Biennale, Venice 1964-1966, undated
Arquian, Maurice d', 1962-1967
Art actuel international, 1959
Art and artists, 1967, undated
Art and literature, 1965
Art et industrie, 1963
Art Gallery of Toronto, 1962-1963
Scope and Content Note
Art International, 1961-1966
Art news, 1965
Artforum, 1968
Arthur Lénars & Cie, 1961-1962
Scope and Content Note
Arthur Tooth & Sons, Ltd., 1960
Scope and Content Note
Artis, 1969
ATEGE Berlin [Allgemeine Transportgesellschaft], 1966
Biennale internationale de la gravure - Cracovie, 1966
Birkelbach & Unkrüer Automobile, 1969-1970
Bowness, Alan, 1964
British Council, Cologne, 1959-1962
Brooklyn Museum, 1960
Bühnen der Stadt Essen, 1966
Capital das deutsche Wirtschaftsmagazin, 1968
Carnegie Institute, 1961-1968
Scope and Content Note
Castillejo, José Fernández de, 1968
Scope and Content Note
Cavael, Dorothée, 1958
Cavellini, Guglielmo Achille, 1964
Celant, Germano, 1968
Centre Le Corbusier Heidi Weber, 1968
Centro internationale delle arti e del costume, Venice 1965
Cercle d'art contemporain Fondation Internationale, Zürich, 1960
Christ und Welt Verlag, 1967-1969
Scope and Content Note
Cid de Regnard, Yolanda, 1961
Scope and Content Note
Club Schloss Gracht, 1965, undated
Connaissance [La Connaissance s.a.], 1969
Conzen, 1968
Cordier, Daniel, 1966
Scope and Content Note
Cremerius, J., 1969
Czwiklitzer, Christophe, 1968, undated
Deutscher Lloyd Versicherungs AG, 1966-1967
Dotremont, Philippe, 1961
Druck- und Verlagshaus Friedrich Pörtner, 1964
Éditions Alecto Ltd., 1968, undated
Éditions Planète, 1969
Scope and Content Note
Fenice [Albergo taverna "La Fenice"], 1964
Fördererkreis des Wilhelm-Lehmbruck-Museums, 1968
Frankfurter Allgemeine Zeitung, 1969
Frankfurter Kunstverein, 1967-1969
Scope and Content Note
Frankfurter Versicherungs-Aktiengesellschaft, 1968
Gabriele Mazzotta editore Milano, 1968
Gehlen, Arnold, undated
Gesellschaft von Freunden und Förderern der Staatlichen Kunstakademie Düsseldorf, 1959-1967
Greiner, Werner, 1968
Greven Verlag, 1959
Grobe, Gustav, 1968
Scope and Content Note
Haags Gemeentemuseum, 1964
Scope and Content Note
Haftmann, Werner, 1963-1965
Scope and Content Note
Hamburger Kunsthalle, 1966
Hamburger Künstlerclub, 1969
Helvetia [Allgemeine Versicherungs-Gesellschaft Helvetia in St. Gallen], 1959
Horbach [Ewald Horbach Versicherungen], 1958-1969
Huibregtsen, K., 1966
Hülsmanns, Dieter, 1965
Scope and Content Note
Hülz, Wilhelm, 1969
Hundertmark, Armin, 1968
Scope and Content Note
Hüper, Hans, 1966
Scope and Content Note
Hylander, Lennart, 1964
Scope and Content Note
Igell, Hermann, 1961
Scope and Content Note
Industrie - und Handelskammer zu Düsseldorf, 1957
Institut für Kunstgeschichte Rhein.-Westf. Technische Hochschule Aachen, 1970, undated
Institut für moderne Kunst, Nürnberg, 1967
Instituto Torcuato Di Tella Centro de Artes Visuales, Buenos Aires, 1965
Instituut voor Kunstzaken, Amsterdam, undated
International Center of Aesthetic Research, Turin, 1964
Scope and Content Note
Internationales Kunst-Adressbuch, 1961-1965
Investors Oversea Services, 1969
Scope and Content Note
Jacobsen, Albert, 1965
Jährling, Rolf, 1968, undated
Janis, Harriet, 1962
Janlet, Pierre, 1965-1967
Scope and Content Note
Jeunes peintres connus, 1964
Scope and Content Note
Jewish Museum New York, 1964-1967
Scope and Content Note
Jonas, undated
Jung, Anton, 1964-1965
Junge Unternehmer der Arbeitsgemeinschaft selbstständiger Unternehmer, 1968
Jungjohann, Gisela, 1961
J [unidentified], 1968
Kahmen, Volker, 1964-1967
Scope and Content Note
Kalnein, Wend, Graf von, 1965
Scope and Content Note
Kasmin Limited Art Dealers, 1962
Kestner-Gesellschaft, undated
Scope and Content Note
Klipstein & Kornfeld, 1958-1963
Scope and Content Note
Kodansha, Ltd., 1971
Köhler, Marianne, 1959
Scope and Content Note
Kowallek, Rochus, 1963
Scope and Content Note
Krayenbühl, T. E., 1968
Krebs, Jean, 1965-1970
Scope and Content Note
Krefelder Museumsverein, 1963
Kulicke New York, undated
Kulturring im Kulturausschuss der Stadt Emden, 1965-1966
Scope and Content Note
Kunst Magazin für moderne Malerei, Graphik, Plastik, 1965
Kunsthandel G. J. Nieuwenhuizen Segaar, Den Haag, 1964
Künstler-Verein Malkasten, 1970
Kunstmuseum Basel, 1962-1969
Scope and Content Note
Kunstmuseum Luzern, undated
Kunstsammlung Nordrhein-Westfalen, 1967
Scope and Content Note
Kunst-und Museumsverein Wuppertal, 1965
Kunstverein Braunschweig, 1958-1960
Kunstverein Heilbronn, 1970
Scope and Content Note
Kunstverein Wolfsburg, 1966
Scope and Content Note
K [unidentified], 1969
Lambert, Baron, 1968-1969
Scope and Content Note
Landeshauptstadt Düsseldorf, 1956-1967, undated
Correspondence and financial records, 1956-1967
Floor plans Hunsrückenstrasse, undated
Lederer, Helmut, 1966
Lefevre-Foinet, Lucien, 1960
Scope and Content Note
Lewandowski, Robert, 1961-1964
Linck, Ruth Renate, undated
Linds, D. D., 1969
Lombard, Jane Wade, 1965
Louisiana Cultural Centre and Museum of Contemporary Art, 1968-1970
Scope and Content Note
Lucas, Ernest, 1962
Scope and Content Note
Lueg, Ferdinand, 1960
Maglietta, N., 1969
Scope and Content Note
Maison de la culture de Grenoble, 1967-1968
Scope and Content Note
Manger, Diether, 1967
Marcus, Stanley, 1967
Scope and Content Note
Marx-Pellegrini, Michelle, 1965
Merleback, comte de, 1965
Metro [Editoriale Metro], 1962, undated
Miedzynarodowe Biennale Grafiki Kraków, 1966
Mikat, Paul [Kulturminister], 1966
Minneapolis Institute of Arts, 1959
Mirea, M. I., 1966
Mittag [Der Mittag, Feuilletonredaktion], 1959
Scope and Content Note
Mittmann, Ernst, 1967
Moderna Galerija, Ljubljana, 1967
Scope and Content Note
Moderna Museet, Stockholm, 1965-1966
Moldow, Ira, 1959
Scope and Content Note
Montreal Museum of Fine Arts, 1962
Scope and Content Note
Motte, Manfred de la, 1965-1966, undated
Scope and Content Note
Moyens, H. Marc, 1965
Scope and Content Note
Mullenholz, Leo, 1960
Müller-Pfänder, Grit, 1964
Scope and Content Note
Müller-Schlösser, Rosemarie, 1965
Multiples, Inc., 1966, undated
Scope and Content Note
Correspondence, 1966
Color slide, undated
Musée cantonal des beaux-arts, Lausanne, 1965
Musée d'art contemporain, Skopje, 1966
Scope and Content Note
Musée d'art moderne de la ville de Paris, 1966
Scope and Content Note
Musée des arts décoratifs, Paris, 1965
Scope and Content Note
Musées royaux des beaux-arts de Belgique, 1968-1969
Scope and Content Note
Museum am Ostwall, Dortmund, 1965
Museum Boymans-van Beuningen, 1965
Museum des 20. Jahrhunderts, Wien, 1962-1965
Scope and Content Note
Museum Folkwang Essen, 1966-1968
Museum of Contemporary Art, Chicago, 1968, undated
Museum of Modern Art, New York, 1964-1967
Museumsverein der Stadt Düsseldorf, 1957
National Museum of Modern Art, Tokyo, 1967
Scope and Content Note
Nederlandse Kunststichting, 1969
Scope and Content Note
Neumeier, Adolf, 1967
Scope and Content Note
New York Herald Tribune, 1964
Niedersächsische Landesgalerie Hannover, 1965
Niels Onstads Stiftelse, 1967, undated
Nordstern Allgemeine Versicherungs-Aktiengesellschaft, 1967-1968
Scope and Content Note
Nota, 1959
Odenwald, Helene, 1969
Ohrt, Timm, undated
Op. cit., 1965
Ordnungsamt der Stadt Düsseldorf, 1957-1961, undated
Scope and Content Note
Ostende centre culturel, 1965-1966
Otis Art Institute of Los Angeles County, undated
Otto, Gunter, 1968
Overbeck-Gesellschaft, Lübeck, 1967
Pallini, Adriano, 1961
Panza di Biumo, Giuseppe, 1963-1966
Scope and Content Note
Pascal, Claude, 1957
Scope and Content Note
Pauli, Rudolf, 1966
Pellegrini, Aldo, 1966
Scope and Content Note
Perry, Beatrice, 1962-1965
Scope and Content Note
Petersen, Ad, 1965
Petersen, Jes, 1961, undated
Pfalzgalerie, 1966-1967
Scope and Content Note
Pfannschmidt, Ernst-Erik, 1966
Scope and Content Note
Pfeiffer, Erwin Roland, 1962
Scope and Content Note
Piek, Heinz, 1962
Scope and Content Note
Pierre, José, 1967
Scope and Content Note
Plaas, Rudolf, 1962
Pöhl, Karl Otto, 1957
Polizei Präsident in Düsseldorf, 1967-1968
Popp, Karl Hein, 1965
Poster Originals, Ltd., 1966-1967
Scope and Content Note
Power Gallery of Contemporary Art, University of Sydney, 1969
Premio Lissone Internationale di Pittura, 1967, undated
Scope and Content Note
Prenger, Otto, undated
Prestel Verlag, 1965
Pretzell, Loni, 1951-1957
Scope and Content Note
Public Library, Washington D.C., undated
Quadrum Éditions de la Connaissance, 1961-1966, undated
R. Piper et Co. Verlag, 1959
Radvansky, Suzanne, 1965
Scope and Content Note
Raufeisen, Erwin, 1967
Restany, Pierre, 1963
Scope and Content Note
Riemer Art Crating, 1969
Root, Arnold S., 1966
Rosc/the poetry of vision, an International Art Exhibition, Dublin 1967, 1967-1968
1967
1968
Rudolf, Karl-Heinz, 1968
Ruth Nohl Buch- und Kunsthandlung, 1958
Scope and Content Note
Sachs, Gunter [Fichtel & Sachs AG], 1963
Sanders, Peter, 1966
Sauerwein, Hans, 1967
Scharpff, Rudolf, 1968-1969
Scope and Content Note
Schimmel, Johannes, 1965
Schmidt, Hannes, 1966, undated
Scope and Content Note
Schneider-Esleben, Paul, 1958-1966
Scope and Content Note
Schniewind, Fänn [and Willy Schniewind], 1960-1970
Scope and Content Note
Schulze-Fielitz, Eckhard [SPD], 1965, undated
Schulze-Vellinghausen, Albert, 1959
Scope and Content Note
Schwann-Verlag, 1966, undated
Schwartz, [?], 1966
Scope and Content Note
Schwartz, F., 1967
Scope and Content Note
Schweicher, Curt, 1961
Sharp, Willoughby, 1964-1966
Scope and Content Note
Siemer, Maria, 1969
Scope and Content Note
Société des expositions, Palais des beaux-arts, Brussels, 1965-1966
Scope and Content Note
Something Else Press, 1968
Spelman [ Time-Life], 1966
Spiegel, Herbert, 1965
Staatliche Kunsthalle Baden-Baden, 1960-1967
Staatliche Museen Preussischer Kulturbesitz, Nationalgalerie, 1967-1970
Scope and Content Note
Staatsgalerie Stuttgart, 1962-1970
Scope and Content Note
Correspondence, 1962-1970
Press clipping, 1966
Staber, Margit, 1968
Scope and Content Note
Stadt Bielefeld, 1965-1968, undated
Correspondence, 1965-1968, undated
Press clipping, 1968
Stadt Dinslaken, 1966-1970
Scope and Content Note
Stadt Dortmund, 1966-1968
Scope and Content Note
Stadt Düren, 1964-1968
Scope and Content Note
Stadt Kleve, 1965-1966
Scope and Content Note
Stadt Leverkusen, 1958-1962
Stadt Mülheim a.d. Ruhr, 1965-1968
Scope and Content Note
Stadt Nürnberg, 1967-1968
Scope and Content Note
Stadt Witten, 1968, undated
Scope and Content Note
Stadt Wolfsburg, 1965-1969
Scope and Content Note
Städtische Gamäldegalerie Wiesbaden, 1961
Scope and Content Note
Städtische Kunstgalerie Bochum, 1961-1967, undated
Scope and Content Note
Städtische Kunsthalle Düsseldorf, 1966-1969, undated
Scope and Content Note
Städtische Kunsthalle Mannheim, 1962-1966
Scope and Content Note
Städtische Kunsthalle Recklinghausen, 1965-1971
Städtische Kunstsammlung Ludwigshafen, 1969
Scope and Content Note
Städtische Kunstsammlungen Bonn, 1966, undated
Scope and Content Note
Städtisches Gustav-Lübke-Museum Hamm, 1966
Scope and Content Note
Städtisches Hochbauamt Düsseldorf, 1958-1961
Scope and Content Note
Städtisches Karl-Ernst-Osthaus-Museum, Hagen, 1964-1967
Scope and Content Note
Städtisches Museum Leverkusen, 1958-1968
Scope and Content Note
Städtisches Museum Mönchengladbach, 1965-1967
Scope and Content Note
Städtisches Museum Wiesbaden, 1961-1966
Scope and Content Note
Stadtsparkasse Düsseldorf, 1964
Stadtverwaltung Koblenz, 1964
Scope and Content Note
Stadtverwaltung Trier, 1965
Scope and Content Note
Stadtwerke Düsseldorf, 1960-1961, undated
Stassart, Andrée, 1967-1970
Scope and Content Note
Stedelijk Museum Amsterdam, 1961-1970
Scope and Content Note
Stedelijk van Abbemuseum Eindhoven, 1964-1970
Scope and Content Note
Steib, K. H., 1961
Stein, Dr., 1961
Steltman, J., 1964
Steneberg, Eberhard, 1963
Scope and Content Note
Stockholm Festival for Art and Technology, 1966
Stöve, Lotte, 1961
Strachwitz, Dr. Graf [Botschaft der BRD, Brussels], 1959
Scope and Content Note
Ströher, Karl, 1961-1968
Scope and Content Note
Stück [New York Times], 1964
Scope and Content Note
Studio International, 1964-1970, undated
Scope and Content Note
Stuyf, Koert [Dansgroep Eigentijdse Dans], 1966
Tabbert, Werner, 1965
Tamms, Friedrich [Landeshauptstadt Düsseldorf], 1959
Tapié de Céleyran, Michel, 1958-1961, undated
Scope and Content Note
Tate Gallery, 1965
Scope and Content Note
Technische Hogeschool, Afdeling der Bouwkunde, 1965
Scope and Content Note
Teuffel, Günther, 1962
Scope and Content Note
Thames and Hudson, 1963-1964
Scope and Content Note
Thomae, Karl, 1960, undated
Thomas, Renate, 1960
Thwaites, John Anthony, 1961-1967, undated
Time-Life Foreign News Service, Bad Godesberg, 1963-1965
Scope and Content Note
Trier, Eduard [Kulturkreis im Bundesverband der Deutschen Industrie], 1959-1963
Scope and Content Note
UFA Werbefilm GmbH, 1966
Scope and Content Note
Ulmer Museum, 1966-1967
Scope and Content Note
University of Miami, 1967
Vahlbruch, Heinz, 1959
Vaubel, Ludwig, 1965
Verein der Düsseldorfer Künstler, 1957
Verkehrsverein der Stadt Kassel, 1959
Verlag Ullstein, 1958
Vetter, Martin, 1966
Victoria Versicherung, 1967
Vigo, Nanda, 1965, undated
Scope and Content Note
Vinkenoog, Simon, 1960
Visca, Ercolina, 1968
Scope and Content Note
Visser, Martin, 1964-1966
Scope and Content Note
Vogt, Richard, 1965
Vogtländer, Wolfram, 1969
Scope and Content Note
Von der Heydt-Museum der Stadt Wuppertal, 1962-1970, undated
Scope and Content Note
Wagener, Fritz, 1960-1963
Scope and Content Note
Walker Art Center, 1967
Wallraf-Richartz-Museum, 1966-1967
Scope and Content Note
Wasmuth, Johannes, 1965
Scope and Content Note
Weidmüller, Walter, 1961-1965
Scope and Content Note
Welt, Feuilletonredaktion, 1959-1964
Scope and Content Note
Weltkunst, 1964
Wember, Paul [Kaiser Wilhelm Museum Museum Haus Lange], 1966-1967
Scope and Content Note
Werner, Michael, 1967
Scope and Content Note
Wescher, Herta, 1960
Scope and Content Note
Westdeutscher Rundfunk, 1957-1966
Westfälischer Kunstverein, 1965
Weyland, Hans Fr., 1967
Wiegand, Charmion von, 1964
Scope and Content Note
Wierleuker, Hans, 1967
Wiesselmann, Rolf, 1958-1964
Scope and Content Note
Wilden, Curt, 1957
Wilhelm, Jean-Pierre, 1957-1963
Scope and Content Note
Wilhelmi, Christoph, 1960
Wilhelm-Lehmbruck-Museum der Stadt Duisburg, 1962-1968
Scope and Content Note
Wilke, Ulfert, 1964
Wilson, William S., 1965, undated
Scope and Content Note
Winkler, Woldemar, 1965
Wirtschaftsverband Bildender Künstler Nordrhein-Westfalen, 1958
Wiszinsky, Tilly, 1966
Wünsch, Gertraud, 1965
Würtenberger, Franzsepp, 1963
Württembergischer Kunstverein, 1965-1966
Scope and Content Note
Zeit, 1958-1963
Scope and Content Note
Zekman, Theodore N., 1965
1970s to 1990s, 1967-1996, undated
Scope and Content Note
ACORIS The Surrealist Art Centre, 1973, undated
Scope and Content Note
Achten, Helmut von, 1972
Scope and Content Note
Acquavella Contemporary Art, Inc., 1977
Scope and Content Note
Adelaar, Maryon, 1984
Scope and Content Note
Adler, Siegfried, 1976
Scope and Content Note
Adrema Pitney Bowes, 1972-1976
Scope and Content Note
Agayev, Emil, 1989
Ahlers, Adolf, 1983
Scope and Content Note
Ahlers, Jan A., 1973
Scope and Content Note
Akademie der Künste, Berlin, 1977-1985
Scope and Content Note
Aktionsgemeinschaft Zeitgenössische Kunst für das Düsseldorfer Museum, 1972
Albrecht-Dürer-Gesellschaft, 1971
Scope and Content Note
Albright-Knox Art Gallery, 1983
Scope and Content Note
Allington, Edward, 1985
Scope and Content Note
Alvarez, Emilio, 1976-1977
Scope and Content Note
Amerika Haus Berlin, 1971-1972
Scope and Content Note
Amtsgericht Düsseldorf, 1981
Anwaltsbüro Patt Düsseldorf, 1971-1974
Scope and Content Note
ARAG [Allgemeine Rechtsschutz-Versicherungs AG], 1978, undated
Scope and Content Note
Architektur & Wohnen, 1976-1977
Archives Denyse Durand-Ruel, 1974-1975, undated
Scope and Content Note
Armstrong, Richard, 1983
Arnold, Kathleen, 1974
Scope and Content Note
Arquian, P. d', 1976
Scope and Content Note
Art, 1982
Art Address, 1978
Art and Architecture Books of the Twentieth Century, 1981-1982
Art Gallery of New South Wales, 1985
Art Institute of Chicago, 1977
Art Internationale Kunstmesse Basel, 1976-1977
Artbibliographies Modern, 1980
Artefactum, 1983-1986
Artémis S.A., 1976
Artforum, 1974-1982, undated
Artpark, 1976
Arts Council of Great Britain, 1982
Ascher, Celia, 1985
Scope and Content Note
Australian Embassy, Bonn-Bad Godesberg, 1979
Scope and Content Note
Australian National Gallery of Canberra, 1974-1982
Scope and Content Note
Autohaus Fleischhauer, 1984
Backes, Hans, 1982, undated
Letters received, 1982
Color polaroid, undated
Badischer Kunstverein, 1970-1986
1970
1974-1979
1983-1986
Bagel, Peter, 1983-1984
Scope and Content Note
Bahrmann, Ralf, 1974-1982
Scope and Content Note
Ball, Renate, 1975
Scope and Content Note
Baltimore Museum of Art, 1983
Scope and Content Note
Bank Leumi, Frankfurt am Main, 1975
Scope and Content Note
Banque Bruxelles Lambert, 1983
Scope and Content Note
Barbier-Müller, Jean-Paul, 1984-1986
Scope and Content Note
Barman, Betty, 1974-1983
Scope and Content Note
Bastian, Heiner, 1971-1983
Scope and Content Note
Bauerle, Dorothee, 1985
Baum/Marks Fine Arts, 1978
Scope and Content Note
Baumüller, Heinz, 1979
Bayerische Staatsgemäldesammlungen, 1981-1983
Scope and Content Note
BBC Publications, 1980
Scope and Content Note
Bechtloff, Dieter, 1979
Beers, Max J. G. van, 1978
Scope and Content Note
Beery, Gene B., 1976
Scope and Content Note
Bellamy, Richard, 1975-1976
Scope and Content Note
Benkert, Otto, 1986
Scope and Content Note
Benningsen-Foerder, Rudolf von, 1984-1986
Scope and Content Note
Bentein, M. R., 1981
Scope and Content Note
Beran, Alex, 1985
Berlinische Feuerversicherungs-Anstalt, 1971-1980
Scope and Content Note
Bernolet, Ignace, 1975
Scope and Content Note
Berufsverband der Bildenden Künstler in Nordrhein-Westfalen, 1978
Berwind, Sigrid, 1981-1984
Scope and Content Note
Bethanien Künstlerhaus, 1977
Beyertz, Dieter, 1982-1983
Scope and Content Note
Biennale de Paris, 1977-1978
Scope and Content Note
Biennale of Sydney, 1985
Biennale Venedig, 1986
Bild-Kunst [Verwertungsgesellschaft Bild-Kunst], 1976
Birnie-Danzker, Jo-Anne, 1984
Boghs, Prof. Dr., 1978-1981
Scope and Content Note
Böhning, Hans, undated
Scope and Content Note
Bollack, Claude, 1977-1978
Bolton & Fairhead Ltd., 1972
Scope and Content Note
Bommer, Wolfgang, 1972
Bongard, Willi [ Art aktuell], 1970-1975
Bonner Kunstverein, 1982-1986
Scope and Content Note
Boulephoros, 1983-1984
Scope and Content Note
Brandhorst, Udo, 1982
Scope and Content Note
Brandtner, Erwin, 1976
Braun, Christian, 1986
Scope and Content Note
Breicha, Otto, 1974
Brijs, L. [Provinciaal Museum, Hasselt], 1985
Brockhaus, Christoph [Wilhelm Lehmbruck Museum], 1985
Brown, Robert [violinist], 1976
Bruckhaus Kreisfels Winkhaus & Lieberknecht, 1984
Scope and Content Note
Buchhandlung Walther König, 1972-1981
Budenrath, Bernhard, 1986
Scope and Content Note
Bundesamt für Kulturpflege, 1985
Bundesministerium des Innern, 1972-1984
Scope and Content Note
Bundesverband Deutscher Galerien, 1975-1983
Burda, Wolfgang, 1983
Busche, Ernst, 1985
Scope and Content Note
Byron, Anthony, 1974
Scope and Content Note
B: unidentified, 1980
Callewaert, Adrienne, 1983-1984
Scope and Content Note
CAPC [Centre d'arts plastiques contemporains de Bordeaux], 1979
Scope and Content Note
Capital, 1979
Scope and Content Note
Carlson, Nils, 1975
Scope and Content Note
Carnegie International, 1982-1983
Scope and Content Note
Carpentier, André, 1986
Castillejo, José Luis, 1976
Catoir, Barbara, 1983
Cavalcanti, Gilberto, 1972
Centre national d'art et de culture Georges Pompidou, 1983-1986, undated
1983-1984
1985
1986, undated
Cercle d'art contemporain, Zürich, 1977, undated
Scope and Content Note
Chabot, Leslie, 1983
Scope and Content Note
Chadwyck-Heale Ltd., 1976-1977
Scope and Content Note
Chase Manhattan Bank, 1968-1977
Scope and Content Note
Chicago International Art Exposition, 1984
Chrismas, Doug, 1986
Scope and Content Note
Christie's (London), 1975
Cloppenburg, Harro Uwe, 1981-1986
Scope and Content Note
Columbus Museum of Art, 1986
Scope and Content Note
Continentale Versicherungsgruppe, 1978
Scope and Content Note
COOP Himmelblau Atelier Wien, 1973-1976, undated
Scope and Content Note
Creminon, Francine, 1979
Scope and Content Note
Czichon, Günther, 1985
Scope and Content Note
Czwiklitzer, Christophe, 1979
DAAD [Deutscher Akademischer Austauschdienst], 1975-1976
Scope and Content Note
Daimler-Benz, 1975-1976
Scope and Content Note
Daitokai Restaurant, 1979-1983
Dann, Paul, 1983
Scope and Content Note
Dannheisser, Elaine, 1985-1986
Scope and Content Note
Dayton, Anne S., 1983
Scope and Content Note
Deecke, Thomas [Westfälischer Kunstverein], 1984
Scope and Content Note
Deutsch-Japanisches Center, 1983
Deutsche Bank AG., 1981
Deutsche Bundesbahn, 1973, undated
Deutsche Bundespost, 1978-1979
Deutscher Künstlerbund e.V. Berlin, 1975
Deutsches Bundes-Adressbuch, 1972
Dichgans, Hans, 1976
Dieckmann, Bernd [Kulturamt der Stadt Düsseldorf], 1984-1985
Scope and Content Note
Dimkitsch, Ute [Ute Dimkic], 1981
Scope and Content Note
Dobermann, Otto, 1978
Scope and Content Note
Documenta 5 1972, 1972
Documenta 6 1977, 1975-1977
Documenta 8 1987, 1986
Domizio, Lucrezia, 1984
Scope and Content Note
Dopheide, Driedrich, 1982
Döring, Wolfgang, 1967-1977, undated
Correspondence, 1971-1977
Architectural plans, printed matter, 1973-1974
Architectural plan and press clippings, 1967-1972, undated
Dresdner Bank, 1982
Dreyfus, Solange, 1974-1981
Scope and Content Note
Dudley, Don, 1976-1978
Düggelin, Werner, 1982
DuMont Buchverlag, 1976-1979
Duret, Catherine, 1985
Dürr, Heinz, 1981-1982
Scope and Content Note
Dürst, Fritz, 1972
Düsseldorfer Messegesellschaft, 1974
Echter Verlag, 1978
Ediciones Poligrafa S.A., 1983
Edition Schellmann & Klüser, 1984
Éditions d'Art Albert Skira, 1979-1982
Edmonton Gallery, 1980
Scope and Content Note
Edwards, Peggy, 1976
Scope and Content Note
EFHA-Haustechnik Service-GmbH & Co KG, 1977
Efrat, Benni, 1979-1981
Ehlert, Reinhard, 1981
Électricité Générale (Nice), 1983
Scope and Content Note
Eliet, Françoise, 1976
Scope and Content Note
Elliott, Gerald, 1985
Scope and Content Note
Englert, Rolf, 1971
Erker Verlag, 1981
Scope and Content Note
Estudio Actual, 1974-1975, undated
Scope and Content Note
Euler-Künsemüller, Sabine, 1985
Scope and Content Note
Europa 1979 2. Kunstvorstellung in Stuttgart, 1979
Europäische Kunsthändler Vereinigung, 1974-1975
Europalia 85, 1985-1986
Scope and Content Note
Everaert, Madeleine, 1984
Ewing, John Radcliffe, 1976
Scope and Content Note
Expo Arte, Bari, 1975
Expo-Mietmöbel, 1979
Eyck, Aldo van, 1986
Federation of Scottish Sculptors, 1983
Fellows of Contemporary Art, 1984
Fernmeldeamt Deutsche Bundespost, 1975-1981
Scope and Content Note
Fey, Hans, 1984
Scope and Content Note
Fiedler-Bender, Gisela, 1984
Scope and Content Note
Filzfabrik Fulda, undated
Scope and Content Note
Finanzministerium Baden-Württemberg, 1981
Scope and Content Note
Finanzverwaltung des Landes Nordrhein-Westfalen, undated
Scope and Content Note
Finken, Jürgen, 1980
Scope and Content Note
Firma Philippo, 1980
Fleischhauer [Autohaus Jakob Fleischhauer], 1984
Scope and Content Note
Folkwang Museum, 1971-1986
Scope and Content Note
Fondazione Lucio Fontana, 1976-1985
Förster, Oskar, 1979
Forum Kunst Rottweil, 1984
Forum Metall, 1978
Scope and Content Note
FRAC [Fonds régional d'art contemporain Rhône-Alpes], 1985-1986
Francken, Ruth, 1978
Frankfurter Allgemeine Zeitung, 1983-1986
Scope and Content Note
Frankfurter Kunstverein, 1971-1986
Scope and Content Note
Freie Internationale Hochschule für Kreativität und Interdisziplinäre Forschung, 1979
Freisel, Johannes, 1972
Freybe, Henning, 1980-1984
Fundação Calouste Gulbekian, 1973
Scope and Content Note
Fundação Joan Miró, 1984
Fundación Juan March, 1984
Funk, Egon, 1973
Scope and Content Note
Fürst, Albert, 1975-1980
Scope and Content Note
Füsser, Hans, 1984
Galerie der Künste, Kunst und Technik Verlags GmbH, 1980, undated
Galerie-Verein München, 1983-1986, undated
Scope and Content Note
Galloway, David, 1984
Ganteführer, Felix, 1983-1984
Scope and Content Note
Garnatz, Eberhard, 1986
Scope and Content Note
Gebrüder Gondrand AG Zurüch, 1975
Gemini G.E.L., 1972
Scope and Content Note
Gerresheimer Glas AG, 1971-1975
Gesellschaft für Moderne Kunst am Museum Ludwig Köln, 1985
Gesellschaft von Freunden und Förderern der Staatlichen Kunstakademie Düsseldorf, 1977-1978
Gesundheitsamt Düsseldorf, 1974
Ghez, Oscar, 1974
Gielisch, Carl, 1983-1984
Scope and Content Note
Gilles & Francke Verlag, 1980
Gimferrer i Garriga, Jordi, 1974
Gintz, Claude, 1985
Scope and Content Note
Giron, Bernard, 1971-1979
Scope and Content Note
Göbbels, Peter, 1971-1974
Goebel, Paul, 1980
Goedel, Rainer, 1983
Goethe House New York - German Cultural Institute, 1977
Goethe-Institut München, 1980
Görtz, Jo, 1984
Scope and Content Note
Gottmann, Karl-Heinz, 1986
Gralke, Johannes, 1984
Greiner, Werner, 1974-1984
Scope and Content Note
Greisinger, Alfred, 1984
Scope and Content Note
Grochowiak, Thomas, 1981-1983
Scope and Content Note
Growe, Bernd, 1984-1985
Scope and Content Note
Grünthal, Friedel, 1979-1980, undated
Scope and Content Note
Grüterich, Marlis, 1986
Scope and Content Note
Grzybowski, Detlef, 1979
Gumberg, Stanley R., 1985, undated
Scope and Content Note
Haas, Franz, 1984
Haedeke, Marion, 1982
Haim, Paul, 1975-1978
Scope and Content Note
Haks, Frans, 1984
Halbe-Rahmen, 1976-1978
Halem, Gisa von, 1983
Hamburger Kunsthalle, 1975-1984
Scope and Content Note
Hamer, Marion, 1977
Hamkin, C. A., 1982
Scope and Content Note
Hammer, Brigitte, 1972-1980
Hannappel, Hans, 1983
Hans-Thoma-Gesellschaft, 1984
Hartmann, Ulrich, 1986
Scope and Content Note
Hasenkamp Internationale Transporte, 1982
Hattmann, Ulrich, 1984
Scope and Content Note
Haufe, Hans, 1977
Scope and Content Note
Haus der Kunst, München, 1982
Scope and Content Note
Hauswedell & Nolte, 1981-1983
Heckmann-Strohmeier, [?], 1985
Scope and Content Note
Heidelberger Kunstvererin, 1980-1981, undated
Heimeshoff, Dr., 1981
Heinemann, W. V., undated
Scope and Content Note
Heinen GmbH, 1981
Heinz, Marianne [Neue Galerie der Stadt Kassel], 1984-1986
Scope and Content Note
Held, Wolfe, 1976, undated
Scope and Content Note
Correspondence, 1976
Color photograph, undated
Hendricks-Delattre, Micheline, 1983-1984
Scope and Content Note
Henkell & Co., 1979
Henle, Susanne, 1981
Henschelverlag Kunst und Gesellschaft, 1980
Hentrich-Petschnigg & Partner AG, 1984
Herbert, Anton, 1985-1986
Herbst, Arnulf [Museum Wiesbaden], 1985
Scope and Content Note
Herrmann, Hanns-Dieter, 1977-1985
Scope and Content Note
Herrmanns, [?] [WDR-Fernsehen Landesstudio], 1984
Hirsch, Wolfgang, 1985
Scope and Content Note
Hirschhorn Museum and Sculpture Garden, 1983-1984
Scope and Content Note
Hock, Wolfgang, 1985
Scope and Content Note
Hodel, Alexandra, 1986
Scope and Content Note
Hoenraet, Luc, 1985
Hoet, M. Jan [Museum van Hedendaagse Kunst Gent], 1977-1982
Scope and Content Note
Hoffmann, Katja, 1977
Scope and Content Note
Hofmann, Werner, 1984
Scope and Content Note
Höhn, Werner, 1976
Scope and Content Note
Hollein, Hans, 1975, undated
Scope and Content Note
Horbach Versicherungen Teilzahlungsbank, 1970-1985
Horst Schäfer GmbH, 1978
Hotel La Louisiana, Paris, 1977
Hoyns, Klaus, 1979
Huber, Timo [Architekturgruppe ZÜND-UP], undated
Huber, Wolfgang, 1982
Hugh Lane Municipal Gallery of Modern Art, 1986
Scope and Content Note
Huiskens, 1979
Scope and Content Note
Hunov, John, 1986, undated
Scope and Content Note
Hunstein, Heinz, 1980
H unidenfitied, 1985
Scope and Content Note
IBM Deutschland, 1975
ICA Gallery [Institute of Contemporary Arts, London], 1985
ICAF [International Contemporary Art Fair, Los Angeles], 1986
ICI [Independent Curators Incorporated], 1983-1985
Scope and Content Note
Industrie- und Handelskammer Düsseldorf, 1977, undated
Institut für Auslandsbeziehungen, 1979
Institut für Grundlagen der Gestaltung, Karlsruhe, 1986
Institut für internationale Architektur-Dokumentation, München, 1983
Institut für moderne Kunst, Nürnberg, 1977
Institute for the Arts Houston, 1980
Instituut voor Kunstgeschiedenis, Groningen, 1979
International Art Fair Tel Aviv, 1977-1978
Internationale Ausstellung Köln 1981, 1979-1981
Internationale Kunst- und Informationsmesse e.V., 1973-1974, undated
Scope and Content Note
Correspondence, 1973-1974, undated
Printed and illustrated matter, undated
Internationaler Kunstmarkt Köln, 1977
Scope and Content Note
Internationales Künstler Gremium e.V. Köln, 1977
Iran [Shahbanou of Iran], 1977
Jäggli, Rudolf [Aktionsgalerie Bern], 1976-1977
Jährlings, Ilse [Parnass Wuppertal], undated
Janlet, Pierre, 1981-1984
Scope and Content Note
Jansen GmbH [Autohaus Jansen] 1983
Scope and Content Note
Jansen, Bert, 1982-1985
Scope and Content Note
Janz, Angelika, 1983
Jappe, Elisabeth, 1977
Jochems, R., 1978
Jorissen, Dieter H., 1985
Jung, H., 1982
Scope and Content Note
Junghanns, Hans, 1979
Juza, Dirk, 1982
I-J unidentified, 1980-1985, undated
Scope and Content Note
Kaiser Wilhelm Museum Krefeld, 1974-1985, undated
Scope and Content Note
1974
1975
1976
1979-1985
undated
Kanter, Burton, 1985-1986
Scope and Content Note
Kayser, Alexander, 1983
Kestner-Gesellschaft, 1971-1976
Scope and Content Note
Ketterer, Roman Norbert, 1975-1976
Scope and Content Note
Kimmenade, Thijs van, 1983
Klein, Michael R., 1981
Klophaus, Ute 1978
Knauer, Gustav, 1975-1977
Scope and Content Note
Knecht, Uli, 1986
Scope and Content Note
Koch, Johannes, 1984
Kohnen, Arno, undated
Kokoelma Kuntsi Collection, 1981
Scope and Content Note
Kölnischer Kunstverein, 1971-1982
Scope and Content Note
König, Renate, 1982
Scope and Content Note
Könitz, Peter, undated
Kornfeld und Klipstein, 1979
Korte, Guido, 1982-1984
Scope and Content Note
Kowallek, Rochus, 1979
Scope and Content Note
Kramer, Mario, 1984
Scope and Content Note
Kreienbaum, Elfriede, 1985
Kremer, Klaus, 1983
Kren, Alfred, 1983
Kricke, Norbert, 1983
Scope and Content Note
Kroesen, Jill, 1979
Krumeich, Elisabeth and Jörg, 1983-1984
Scope and Content Note
Kuhbier, Joachim [Joachim Kuhbier Elektronische Spezialgeräte], 1979-1982, undated
Kühne & Nagel, 1979
Scope and Content Note
Kulessa, Volker, 1984-1985
Scope and Content Note
Kulturkreis im Bundesverband der deutschen Industrie, 1979
Kulturminister des Landes Nordrhein-Westfalen, 1974-1983
Scope and Content Note
Kunst-Bulletin des Schweizerischen Kunstvereins, 1976-1978
Kunstfonds e.V., 1986
Kunsthalle Bern, 1986
Scope and Content Note
Kunsthalle Bielefeld, 1976-1986, undated
Scope and Content Note
1976-1980
1981-1986, undated
Kunsthalle Bremen, 1985-1986
Scope and Content Note
Kunsthalle Kiel, 1971-1982
Kunsthalle Tübingen, 1985
Kunsthandel Lambert Tegenbosch, 1984
Kunsthaus Zürich, 1971-1984
Scope and Content Note
1971-1980
1982
1983
1984
Kunstmuseum Basel, 1983-1985
Scope and Content Note
Kunstmuseum Düsseldorf, 1970-1981
Scope and Content Note
Kunstmuseum Hannover, 1980-1982
Scope and Content Note
Kunstmuseum Luzern, 1970-1986
Kunstmuseum Winterthur, 1978
Kunstnernes Hus, Oslo, 1983
Kunstraum München e.V., 1977-1986
Scope and Content Note
Kunstsammlung Nordrhein-Westfalen, 1971-1986, undated
Scope and Content Note
1971-1979
1982-1984
1985
1986, undated
Letters, 1986
Color photographs, undated
undated
Kunst- und Museumsverein Wuppertal, 1971-1985
Scope and Content Note
Kunstverein Braunschweig, 1971-1982
Scope and Content Note
Kunstverein Frechen, 1971
Scope and Content Note
Kunstverein Freiburg, 1983
Kunstverein für die Rheinlande und Westfalen, 1976-1981, undated
Kunstverein Hannover, 1971
Scope and Content Note
Kunstverein in Hamburg, 1978-1985
Kunstverein Konstanz, 1971
Kunstverein Marl, 1980
Scope and Content Note
Kunstverein Ulm, 1971
Kunstverein Wolfsburg, 1971
Kunstwerk, 1977-1985
Scope and Content Note
Kuntsi, Simo, 1980-1985
Scope and Content Note
Kürten, Dr., 1979
K unidentified, 1974
Ladewig, Gert, 1973
Lambert, Baron [Collection Baron Lambert], 1972
Scope and Content Note
Lambton, Gunda, 1971
Landeshauptstadt Düsseldorf, Gewerbemeldestelle, 1981
Landeshauptstadt Düsseldorf, Oberstadtdirektor, 1973-1981
Landeszentralbank in NRW, 1982-1983, undated
Scope and Content Note
Letters, 1982-1983
Notes, press clippings, 1983, undated
Landgericht Wuppertal, 1975
Scope and Content Note
Lauffs, Helga, 1982-1985
Scope and Content Note
Lauffs-Wegner, Andrea, 1982-1985
Lefort, Marie-Jose, 1984
Scope and Content Note
Lembourg, Paul, 1976
Leo, Peter, 1972
Scope and Content Note
Liemersdorf, Thilo 1985-1986
Scope and Content Note
Liesegang, Helmuth, 1981
Liesenfeld, Andrea Maria, 1973
Scope and Content Note
Linden, P. F. A. von den, 1973
Linssen, Werner, 1983
Scope and Content Note
Loew, Werner, 1985
Loewy, Peter, 1984, undated
Scope and Content Note
Letters, 1984
Color photograph, undated
LoGiudice, Joseph C., 1971
Loosen, Heinz, 1986
Louisiana Museum of Modern Art, 1978-1986
Scope and Content Note
Ludwig, Gerald, 1978
Ludwig, Peter, 1970-1985
Scope and Content Note
Lufen, Brigitte, 1977
Lüpke, Klaus, 1975
Lutze, 1980-1982
Maack, Klaus Jürgen, 1982-1984
Scope and Content Note
Made in... [Schröder KG], 1984
Mahlow, Dietrich, 1980-1981
Maison Boyer, 1971-1976
Malerbetriebe Gerhard Schmitz, 1978-1979
Mannesmann AG, 1978-1979
Scope and Content Note
Mannheimer Kunstverein, 1977
Mantura, Bruno, 1986
Scope and Content Note
Mari Torres, Pedro, 1980
Marks, Royal S., 1977
Scope and Content Note
Märzheuser, Monika, 1986
Mas Zammit, Juan, 1980
Masnata, Francesco, 1983
Mauser-Werke GmbH, undated
Scope and Content Note
Max Goll GmbH, 1979
McCrory Corporation, 1974-1985
Menil, Dominique de, 1980-1981
Mennekes, Peter Friedhelm, 1986
Metelmann, Kornelius, 1980-1983
Metzdorff, Gerd, 1982-1986
Scope and Content Note
Metzger, Helmut, 1983
Micus, 1986
Miller, Edgar B., 1972
Scope and Content Note
Mini-Carry S.A., 1976
Ministère de la Culture et de la Communication, Paris, 1986
Ministerio de Cultura, Madrid, 1982, undated
Mis, Zaira, 1985
Scope and Content Note
Möbeltransport AG Zürich, 1982, undated
Scope and Content Note
Moderna Museet Stockholm, 1984-1988
Scope and Content Note
Moderne Galerie Bottrop, 1985
Moiser, Wilhelm, 1979
Morphet, Richard [Tate Gallery], 1970, undated
Scope and Content Note
Moser, Bernhard, 1982-1985
Scope and Content Note
Mues, Rolf, 1981
Scope and Content Note
Müller, Hans-Jürgen, 1976
Müller, Josef, 1976
Müller, Karl-Heinrich, 1970-1976, undated
Letters, 1970-1976
Typescripts and printed matter, 1970, undated
Müller, Klaus D., 1983
Müller-Filliger, René, 1971
Musée cantonal des beaux-arts Lausanne, 1971, undated
Scope and Content Note
Musée d'art moderne de la Ville de Paris, 1976
Musée de Toulon, 1982
Scope and Content Note
Musée des beaux-arts Bordeaux, 1984
Musée Fernand Léger, 1985
Scope and Content Note
Musée Savoisien, 1982
Scope and Content Note
Museen der Stadt Köln, 1982-1983
Scope and Content Note
Museum am Ostwall, 1971-1985
Scope and Content Note
Museum Bochum, 1984
Museum Boymans-van Beuningen, 1977-1982
Museum der Stadt Ulm, 1985-1986
Museum Mayer van den Bergh, 1983
Museum Morsbroich, 1986
Museum of Contemporary Art Chicago, 1975-1985
Scope and Content Note
Museum of Fine Arts Boston, 1984
Museum of Modern Art (New York), 1984-1986
Scope and Content Note
Museum van Hedendaagse Kunst Gent, 1981
Scope and Content Note
Mutscher, Erwin, 1983
Narita, Katsuhiko, 1977
National Arts Guide, 1978, undated
National Gallery of Art, Washington D.C., 1972-1973
National Gallery of Canada, 1973
Scope and Content Note
National Museum of Modern Art, Tokyo, 1971-1974, undated
Scope and Content Note
Nationalgalerie, Staatliche Museen Preussischer Kulturbesitz, 1975-1982
Scope and Content Note
Nationalmuseum Biblioteket Stockholm, 1976
Neue Galerie der Stadt Aachen, 1982
Neue Galerie der Stadt Linz Wolfgang-Gurlitt-Museum, 1979-1982
Neuer Berliner Kunstverein, 1971-1981
Neue Ruhr Zeitung, 1976
Niederrheinische Bewachungs-Gesellschaft, 1972-1976
NINO AG, 1982
Nordstern Service International (U.S.) Inc., 1982
Scope and Content Note
Nordstern Versicherungen, 1980-1981
N unidentified, 1983
Scope and Content Note
Oechsli, H. P., 1984
Offerta Werbe- und Ausstellungsgesellschaft, 1975
Olympia-Baugesellschaft, 1970
Onnasch, Reinhard, 1977-1983, undated
Scope and Content Note
Openluchtmuseum voor Beeldhouwkunst, Middelheim, 1984
Oppenheim, Jeane, Freifrau von, 1986
Scope and Content Note
Oppenheimer, Herbert, 1986
Scope and Content Note
Osten, Detlef von der, 1980-1982, undated
Scope and Content Note
Overbeck-Gesellschaft, 1971
Painvin, Ursula, 1985-1986
Scope and Content Note
Paltzer, Rolf Allan, 1984
Pantheon Books, 1985
Scope and Content Note
Parade, Christoph, 1985
"Parkett" Verlag, 1984
Parry, Pamela J., 1976
Paull, Silke [Silke Paul Hervé Würz], 1978
Peinhardt, Ingrid, 1984
Peltzer-Werke, 1971
Peters, Louis F., 1977
Philadelphia Museum of Art, 1986
Scope and Content Note
Philocolor, 1981
Scope and Content Note
Picture Research & Art Design, 1976-1977
Pillet-Vezin, J., 1986
Podunajec, Ivo, 1985
Poleschke, Marlit, 1985
Poley, Stefanie, 1981
Poliakoff, Nicolas Alexis, 1981
Polizeipräsident Düsseldorf, 1984-1985, undated
Polizeiverkehrsbereitschaft Wiesbaden, 1971
Pompidou, Mme., 1972
Postamt Düsseldorf, 1984
Preisig, Barbara, 1979
Preker, Hans Joachim, 1984
Prelinger, Kurt, 1983
Propyläen Verlag, 1977
Prospect 68 and Prospect 71, Düsseldorf, 1968-1972, undated
Scope and Content Note
Rademacher, Robert, 1982-1983
Renard, Claude-Louis, 1982
Repriels, Manette, 1984
Scope and Content Note
Rheinische Post, 1972
Rheinisches Landesmuseum, 1983-1984
Rheinland Verlag, 1982
Ribbentrop, Rudolf von, 1982-1986
Scope and Content Note
Rice Museum, Rice University, 1982
Riemer Art Crating, 1971-1972
Rijksmuseum Kröller-Müller, 1977-1982
Rinn, Ludwig, 1970
Scope and Content Note
Rockefeller, David, 1973
Scope and Content Note
Rodenstock, Inge, 1982-1985
Rogge, Gottfried [Gottfried Rogge Electroinstallation], 1972-1973
Roggendorf, Josef [Josef Roggendorf GmbH], 1981-1985, undated
Scope and Content Note
Rometsch, Sieghardt, 1986
Scope and Content Note
Rompel, Hans, 1970
ROSC '71, 1971
Rotzler, Willy, 1985
Scope and Content Note
Rowedder, Eva, 1986
Scope and Content Note
Rühle, Günther [ Frankfurter Allgemeine Zeitung], 1982
Ruhrberg, Karl [Städtische Kunsthalle Düsseldorf], 1970-1974
Rumpf, Jörg, 1982
Saatchi & Saatchi, 1984-1986
Scope and Content Note
Sachs, Gunter, 1968-1972
Sammlung Crex, 1983
Sanders, Peter, 1982
Scope and Content Note
Sauré, Wolfgang, 1973
Scope and Content Note
Schäfer, Gisela, 1983
Schäfer Wipprecht Schickert Rechtsanwälte, 1978-1985
1978
1981
1982
1985
Schäflein, L., 1983
Scharbert, Heinz [Kultusministerium des Landes Nordrhein-Westfalen], 1983-1986
Scharpff, Rudolf, 1984-1986, undated
Scope and Content Note
Schenning, K. P., 1982
Schickert, Wolfgang, 1982
Schimmel, [?], 1982
Scope and Content Note
Schirmer, Lothar, 1974
Scope and Content Note
Schirmer/Mosel Verlag, 1982
Schleswig-Holsteinischer Kunstverein, 1971
Schmela, Magdalena, 1982-1985
Scope and Content Note
Schmela, Monika, 1995-1996, undated
Scope and Content Note
Schmidt-Heins, Barbara, 1976-1979, undated
Scope and Content Note
Schmitz-Gielsdorf, G., 1983
Schneckenburger, Manfred [Documenta 8], 1977-1986
Schneider, Dietmar, 1978
Schniewind, Fänn, 1971-1975
Schoop, [?] [Düsseldorfer Messegesellschaft mbH NOWEA], 1982
Schröer KG, 1975-1985, undated
Schubert, Karsten, 1979-1981, undated
Scope and Content Note
Schulhof, Rudolf Buck, 1981
Schulhoff GmbH, 1979-1986
Schultz-Siemens, Lilo, 1972
Schwander, Martin, 1984
Schwarz, Arturo, 1976-1984
Scope and Content Note
Scottish National Gallery of Modern Art, 1983
Scope and Content Note
Seibu Museum of Art, 1984
Scope and Content Note
Selbach, 1982
Selig, Martin, 1972-1985
Scope and Content Note
Senger, M. von, 1983
Sessig, Käthe, 1982
Scope and Content Note
Sihler, Helmut, 1984
Skulptur Projekte Münster, 1986
Scope and Content Note