Approximately 12,000 letters to Allan Nevins from various correspondents including James Truslow Adams, Franklin Delano Roosevelt, Harry S. Truman, Willa Cather, Frances Folsom Cleveland, Van Wyck Brooks, Robert Frost, Newton D. Baker, Archibald MacLeish, John D. Rockefeller, Jr., Carl Sandburg, and Henry Wallace; notes and typescripts for Nevins' books including Emergence of Lincoln, The Ordeal of Democracy, Rockefeller, and History and Historians, with notes by editor Ray A. Billington; miscellaneous transcripts, clippings, newspapers, and photographs. Also, autograph letters and manuscripts by presidents, Civil War figures, financiers, politicians, and authors. There are also the Brand Whitlock World War I Diaries and letters to him by such people as Herbert Hoover, Gen. John J. Pershing, and others.

Correspondence files of the Declaration of Atlantic Unity. The declarations which they issued are in the box of printed materials (No. 49)

This collection contains correspondence, manuscripts, documents, subject files, photographs, memorabilia, and printed materials of landscape architect Gilmore D. Clarke, 1892-1982.

Correspondence, manuscripts, dispatches, documents, clippings and other printed materials concerning his career as an editor and correspondent for the New York Herald Tribune in Moscow, Berlin and New York, as a staff member of the Institute of Pacific Relations from 1932 to 1934, as deputy director in the Office of War Information overseas branch, 1941-44, as an owner and editor of the New York Star, 1948-49, as an instructor in communications at Sarah Lawrence College, 1950-1951, as a book editor at Simon and Schuster, Publishers, 1951-1970, and as an author and translator.

The collection consists of the editorial and production archives of Vanguard Press: correspondence, manuscripts, contracts, memoranda, galley proofs, photographs, clippings, and printed materials. The correspondence and editorial files contain a wealth of detailed information about individual authors and the growth and development of the Press. Among the cataloged correspondents are: Nelson Algren, Saul Bellow, Stephen Vincent Benét, William Rose Benét; Phyllis Bottome; Pierre Boulle; Jocelyn Brooke; Cyril Connolly; A.J. Cronin; Nigel Dennis; John Dewey; Max Eastman; James T. Farrell; Vardis Fisher; Richard Garnett; Theodor Seuss Geisel; Louis Golding; Paul Goodman; Horace Gregory; Geoffrey Grigson; Lillian Hellman; William Heyen; Harold L. Ickes; Christopher Isherwood; Alfred Kazin; Philip Lamantia; Sinclair Lewis; Emanuel Litvinoff; Dwight Macdonald; Archibald MacLeish; Marshall McLuhan; Thomas Mann; Edgar Lee Masters; H. L. Mencken; William Meredith; Joyce Carol Oates; Katherine Anne Porter; Barbara Pym; William Sansom; William Saroyan; Ramon J. Sender; Upton Sinclair; Rex Stout; Edith Sitwell; Paul Theroux; Lionel Trilling; Harry S. Trumam; Louis Untermeyer; Eudora Welty; Richard Wilbur; and Thornton Wilder. There are some manuscripts by Bellow; Bottome; Boulle; Farrell; Grigson; Litvinoff; MacDonald; Oates; John Cowper Powys; Arthur Schlesinger, Jr.; Patrick Tanner; William Targ; Theroux; and Sitwell.

Correspondence, notes, articles, reports, and speeches of Gildersleeve, including materials relating to the United Nations Conference in San Francisco, 1945, the Dumbarton Oaks Conference, the International Federation of University Women, the American Association of University Women, the American Council on Education, and the Near East College Association. The most note-worthy item in the collection is a letter from President Franklin D. Roosevelt, appointing Dean Gildersleeve to serve as a member of the U.S. Delegation to the Charter Conference of the United Nations. The collection also contains some material relating to Barnard College affairs.