This collection consists of copies of correspondence, articles, diaries, memoirs, and other manuscripts by and about the Blackwell family. Also, a small group of papers, including correspondence, documents, photographs, and printed papers, about the Rice family of New York.

The materials that comprise the Historical Biographical Files have been collected and added to from a variety of sources over the years by current and previous staff. The files consist of materials related to people who have a connection to the University whether as student, alumni, administrator, faculty, staff, guest lecturer, or honorary degree recipient. Materials generally consist of newspaper and magazine clippings, press releases, programs, ephemera, printed matter, lists, reports, and pamphlets.

The Historical Subject Files Collection documents Columbia University history and related topics from 1754 to the present. The collection includes articles, booklets, clippings, correspondence, memoranda, non-photographic images, notes, pamphlets, posters, press releases, programs and reports.

Collection includes three chapters apparently from the manuscript of a book by Efremov on the causes of the Revolution of 1917 in Russia; memoranda, notes, and clippings on attempts made in the 1920s and 1930s to bring about a rapprochement between the Russian Orthodox, Catholic, and Anglican churches (these materials were prepared for the Carnegie Endowment, apparently in 1935-36); and a 1917 menu from a restaurant in Petrograd.

These records document the history of the New York Chamber of Commerce and Industry, beginning with its establishment in 1768. Tracking the wax and wane of the organization's influence over the next two centuries, the collection provides a first hand account of the Chamber's many contributions to New York City and State business and development. These records exist in a wide variety of formats, such as bulletins, correspondence, minute books, and printed materials.

Correspondence, manuscripts, playscripts, screenplays, diaries, documents, contracts, financial records, photographs, phonograph records, motion pictures, playbills, posters, sheet music, cartoons, art work, memorabilia, scrapbooks, and printed materials. . The collection consists chiefly of correspondence and production files relating to the creation, production, and performance of their works for stage, screen, radio, and television, such as Leave It To Me and Kiss Me Kate (with music by Cole Porter), Boy Meets Girl, and My Three Angels. Correspondence (with twentieth century authors, playwrights, musicians, political figures, and actors) includes: George Abbott, Jean Arthur, Bennett Cerf, Katharine Cornell, Jo Davidson, George and Ira Gershwin, Alec Guinness, W. Averell Harriman, Lilli Lehmann, Mary Martin, Laurence Olivier, Mary Pickford, Cole Porter, Regina Resnick, Eleanor Roosevelt, Robert E. Sherwood, Lincoln Steffens, Kurt Weill, Rebecca West, and Thornton Wilder. There is also correspondence concerning Bella Spewack's work with the New York Girls' Scholarship, UNRA, and the Sports Center of Israel. In addition to the production files, there are manuscripts and typescript drafts for novels, short stories, and articles by the Spewacks.

Correspondence, manuscripts, documents, photographs and printed materials. The correspondence is with American and English literary figures and Columbia faculty members. Included are 38 letters from Brander Matthews and 4 from Edmund Gosse. There are 5 letters from Trent to George Whicher, 3 to John Hart, and 180 postcards and letters to John Bell Henneman, as well as a group of miscellaneous letters to and from Trent. Also included are a holograph fair copy of Trent's poem "Germany, 1915" with his covering a.l.s. and several miscellaneous poems; and his contract with J.B. Lippincott Co. for the publication of GEORGE SAND. There are also two documents signed by George W. Maynard. Among the photographs is a photograph album, prepared by Hudson Stuck in 1899, of people and scenes from Dallas, Texas. Among the printed materials are Trent's examinations and outlines for English courses, and THE UNPOPULAR REVIEW with numerous pages of Trent's notes