Lower school essays, poetry 1881-1886

High school, college, and travel memorabilia 1881-1889

School and travel notebooks; commonplace book 1884-1887

Lecture notes: Leipzig and Berlin, Germany 1890-1892

Graduate school notes: Berlin, Germany 1890-1893

Lecture notes: England-Industrial revolution 1917-1936

Lecture notes: European economic history 1930-1936

Student term papers: general economic history 1915-1938

Lecture notes: England-agriculture 1920-1935

Notes and statistics: United Kingdom economic history 1920-1936

Lecture notes: England economic history 1920-1936

Lecture notes: United States economic history 1920-1936

Lecture notes: United States economic history - money and commerce 1920-1936

Lecture notes: United States agricultural history 1920-1936

Lecture notes: United States economic history - commerce tariffs, manufacturing

Lecture notes: United States history - transportation, railroads, river shipping 1920-1936

Lecture notes: Europe - industrial development, international relations 1920-1936

Lecture notes: France and Germany - economic development 1920-1936

Lecture notes: Medieval England and Europe - economic history 1920-1936

Notes on: reading economic history 1900s

Notes on: reading economic history and Temple 1900s

Notes on: reading economic history, Temple, and Industrial Revolution 1900s

Notes on: local history, bibliography 1900s

List of bankrupts 1786-1806

Notes on Enclosure Movement 1890-1900s

Lecture notes: Europe - medieval and early modern 1912-1935

Notes: Huntington Library - Stowe and Temple 1935-1945

Documents: historical and economic graphs, maps, etc. 1910-1930

Miscellaneous notes and reading lists: bankrupts, economic and medieval history 1903-1904

Notes: Huntington Library - Temple, legal and rentals 1935-1945

Notes: Huntington Library - Dassett rentals, Temple, cattle, and Stowe 1935-1945

Notes: Huntington Library - Temple 1935-1945

Notes: Huntington Library Research Committee on Economic History 1937-1944

Lecture notes for California Institute of Technology courses 1943-1944

Gay's lectures at various conferences 1925-1926

Miscellaneous notes and bibliography 1937-1944

Bibliography of Gay's writings, reprints, and manuscripts of his articles 1900-1920

Reprints and manuscripts of articles by Gay 1920-1945

Gay's diaries and daybooks 1870-1944

Correspondence relevant to Gay academic "offers" and/or appointments 1902-1936

Personal documents: diplomas, honorary degrees 1902-1940

Tributes to Gay including obituary notices, memorials, etc. 1920-1979

Correspondence in regard to: Gay's economic thought; interests, his portrait at Harvard and chronologies of his life 1893-1970

Chronological outline of events in Gay's life 1886-1944

Correspondence and papers relevant to the book Herbert Heaton's Scholar in Action 1947-1953

Photographs: Fitz-Randolph family daguerreotypes; travel album 1853-1890

Photographs of Gay: portrait, group and miscellaneous 1880-1944

Ephemera: Harvard, Council on Foreign Relations, etc. 1880-1944

Ephemera 1901-1944

Newspaper clippings

Gay family documents: household bills, account books, etc. 1893-1907

Tourist maps and guidebooks for England 1926-1935

Miscellaneous printed material 1900-1979

Miscellaneous articles etc. authored by others 1920-1941

Mabelle FitzRandolph to Louise FitzRandolph Gay 1888-1923

Mary and Edith Gay to Edwin Francis Gay 1885-1945

Edward FitzRandolph to Louise (FitzRandolph) and Edwin Francis Gay 1888-1922

Miscellaneous family letters 1873-1956

Arvilla H. FitzRandolph to Louise (FitzRandolph) and Edwin F. Gay 1887-1906

Mary (Loud) Gay to Edwin Francis Gay and Aaron F. Gay to Edwin Francis Gay 1873-1892

Mary (Loud) Gay to Louise (FitzRandolph) and Edwin Francis Gay 1892-1943

Louise (FitzRandolph) Gay to Edwin Francis Gay and Mary (Loud) Gay 1899-1941

Edwin Francis Gay to Louise (FitzRandolph) Gay 1889-1944

Edward Randolph to Louise (FitzRandolph) Gay and Edwin Francis Gay and Margaret Randolph (Gay) Davies 1937-1942

Edwin Francis Gay to Margaret Randolph (Gay) Davies; Edward FitzRandolph Gay; Mary (Loud) Gay; Aaron F. Gay, etc. 1880-1944

Gay and Loud family documents and genealogy 1878-1950

Aaron F. Gay family documents: account books, etc. 1885

1886-1893 July 16

1893 October 13-1899 November 2

1900 February 2-1903 January 14

1903 June 25-1913

1913 June 18-1917 October 18

1917 December 2-1918 October 18

1918 October 19-1919 January 17

1919 January 18-1919 April 12

1919 April 15-1919 July 2

1919 July 3-1919 August 3

1919 August 4-1919 August 19

1919 August 20-1919 October 19

1919 October 20-1919

1920 January 1-1920 March 31

1920 April 3-1920 June 25

1920 June 26-1920 September 6

1920 September 7-1921 January 8

1921 January 10-1921 March 7

1921 March 10-1921 April 26

1921 April 29-1921 June 21

1921 June 22-1921 August 16

1921 August 18-1921 October 22

1921 October 23-1921 December 31

1922 January 2-1922, March 1

1922 March 2-1922 April 20

1922 April 24-1922 July 5

1922 July 31-1922 November 16

1922 November 22-1923 January 28

1923 January 29-1923 April 28

1923 April 30-1923 July 14

1923 July 21-1923 October 5

1923 October 6-1923 December

1924 January 1-1924 April 5

1924 April 7-1924 July 12

1924 July 13-1924 October 28

1924 November 3-1924

1925 January 1-1925 February 28

1925 March 2-1925 June 1

1925 June 4-1925 September 30

1925 October 7-1926 February 6

1926 February 16-1926 September 10

1926 September 16-1927 July 25

1927 August 21-1928 December 11

1928 December 15-1929

1930 January 3-1931 January 26

1931 February 3-1931 November 9

1931 November 11-1932 November 5

1932 November 8-1933 February 14

1933 February 21-1933 May 5

1933 May 8-1933 July 5

1933 July 6-1933 October 9

1933 October 13-1934 September 17

1934 October 5-1935 March 30

1935 April 1-1935 October 1

1935 October 2-1936 January 8

1936 January 12-1936 May 10

1936 May 12-1936 July 7

1936 July 8-1936 September 3

1936 September 4-1936 December 7

1936 December 9-1937 March 10

1937 March 12-1937 May 22

1937 May 30-1937 December 18

1937 December 22-1938 November 23

1938 December 9-1939 July 1

1939 July 5-1940 January 1

1940 January 11-1940 July 12

1940 July 15-1941 January 14

1941 January 25-1941 June 16

1941 June 19-1941 November 21

1941 November 24-1942 February 9

1942 February 12-1942 May 8

1942 May 11-1942 July 15

1942 July 16-1942 September 8

1942 September 10-1942 November 4

1942 November 6-1943 February 12

1943 February 17-1943 August 9

1943 August 11-1943 November 15

1943 November 16-1944 February 15

1944 February 28-1944 May 17

1944 May 19-1944 December 15

1944 December 20-1945 November 23

1945 December 4-1947 September 23

1947 September 25-1954 November 29

1955 March 14-1973 February 28