Correspondence, manuscripts, documents, notebooks, memorabilia, a tape cassette, photographs, and printed materials. The collection is primarily correspondence files, both personal and professional, along with book reviews, awards and diplomas, letters of condolence on his death, clippings, and correspondence, manuscripts and printed materials relating to THE STREAM OF HISTORY. The correspondence relates specifically to the third edition. The manuscripts are typed and holograph inserts for the third edition and possibly for the second edition as well. Among the manuscripts are twenty-two notebooks containing holograph notes and drafts of chapters. The printed material consists of one copy of THE STREAM OF HISTORY, 1934 edition.

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.