Correspondence and manuscripts of Van Doren, consisting of letters, poems, short stories, novels, plays, radio broadcast transcripts ("Invitation to Learning"), diaries, critical works, proofs, and printed works. Correspondents include Louise Bogan, Philip Booth, Babette Deutsch, Richard Eberhart, T.S. Eliot, John Gould Fletcher, Herbert Gorman, E.W. Howe, Robinson Jeffers, Archibald MacLeish, Louis MacNeice, Edgar Lee Masters, Lewis Mumford, Hyam Plutzik, Allen Tate, and Louis Zukovsky. Also, extensive correspondence with Robert Lax and Thomas Merton, as well as manuscripts by these two authors.

Correspondence, playscripts, screenplays, scenarios, short stories, and other manuscripts, drafts, photocopies, contracts and other documents, tearsheets, clippings, and other materials relating to his career as a screenwriter, playwright, and author of short stories. Correspondence with friends, students, admirers, and professional colleagues concern his teaching, playwriting, films, articles, photography, and literary topics. There are also two groups of letters from students and readers about his textbook, "The Human Nature of Playwriting" (1949). Among the cataloged correspondence are William Gibson, MacKinlay Kantor, Anna Louise Strong, Louis Untermeyer, and Carl Van Doren. Included are manuscripts, drafts, or photocopies of almost all his films, plays, and short stories, such as playscripts and drafts of his plays, "The Jazz Singer" (1922), "Skylark" (1939), "Jason" (1942), and others; screenplays and scenarios, many in photocopy, of "Trouble in Paradise" (1932), "The Merry Widow" (1934), "The Shop Aroung the Corner" (1940), "Suspicion" (1941), "Heaven Can Wait" (1943), and many other films; and manuscripts, drafts, tearsheets, and printed copies of his short stories and articles of film and television criticism. There are also many clippings and reviews, programs, and other printed materials about his plays and films.