The Harris, L. mss. consists of materials related to the writing and publication of Upton Sinclair, American Rebel (Crowell, 1975), by author Leon A. Harris, 1926-2000.
The Hagemann mss., 1979-1981, consists chiefly of correspondence between biographer Carlos Heard Baker, 1909-1987, and English professor Edward R. Hagemann, 1921-1994, about writer Ernest Hemingway, 1899-1961.
The Dos Passos mss., 1903-1950, consists of letters and college writings of author John Dos Passos, 1896-1970, and legal files and correspondence of his family in connection with the estate of his father John Randolph Dos Passos, 1844-1917.
