Series 1: Correspondence. 1949-1976
Thomas Y. Crowell. 1961-1976
Houghton-Mifflin Company. 1954-1963
Houghton-Mifflin Company. 1955-1962
MacMillan Company. 1960-1962
Sterling North. 1952-1962
W.W. Norton & Company. 1949-1960
W.W. Norton & Company. 1961-1974
Random House. 1953-1961
Russell & Volkening, Inc. 1949-1956
Russell & Volkening, Inc. 1957-1973
Research letters re Stagecoach West. Undated
Letters from children. 1963-1972
Series 2: Writings. Undated
American Horses
Come on Sea Biscuit
The Dry Divide
The Fields of Home
The Fields of Home
Geronimo, Wolf of the Warpath
The Home Ranch
Horse of a Different Color
Kit Carson and the Wild Frontier
Little Britches
Man of the Family
Mary Emma and Company
The Old Trails West
Riders of the Pony Express
Shaking the Nickel Bush
Shaking the Nickel Bush
Silver and Lead
Stagecoach West
Wells-Fargo
Series 3: Miscellaneous. Undated
Scrapbook of clippings, etc.