Correspondence, manuscripts, notes, drafts of speeches, appointment books, subject files, documents, photographs, memorabilia and printed materials. There are notes from her lectures on Sociology at Adelphi College in 1911-1912; papers from 1912-1932, when Perkins served on the Commission for Safety and on the Industrial Commission of New York State; the main body of the material is from the period of her cabinet office, 1933-1945; and some items from her days on the Civil Service Commission, 1946-1953. Also included are personal and family papers.

Personal and professional papers of the notable literary critic. The collection includes correspondence, manuscripts, notes, journals, photographs, drawings and films, and a collection of signed and annotated books and magazines from Dupee's library.

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, manuscripts, notes, notebooks, documents, photographs, course-related materials, and printed materials. The manuscripts include typescripts of Sykes' published and unpublished novels, monographs, plays, short stories, and articles. Among these are The Perennial Avant Garde, The Cool Millennium, and The Hidden Remnant. Sykes' notes and notebooks span the period from the early 1930s to 1980, and include preliminary ideas and sketches for his books, as well as autobiographical material. A small number of documents concern Sykes' wartime work in the U.S. Government Office of War Information. Course-related material including writings and correspondence of students taught by Sykes between 1962 and 1975 at the New School and as an adjunct professor at Columbia University. Printed materials consist of numerous reviews of Sykes' books, in addition to offprints and articles by Sykes. Included as well are printed materials about or connected with Sykes, offprints of articles inscribed to him, and many volumes from his library. The substantial correspondence series includes personal letters and correspondence with agents and publishers relating to his books. Correspondents include Harold Clurman, Aaron Copland, Lawrence Durrell, Georgia O'Keeffe, and Francis Steegmuller, as well as a number of Sykes' students. There is extensive correspondence between Sykes and the artist John Hartell from 1927 to 1983.

This collection includes records from the Chinese Industrial Cooperatives (CIC, 工業合作社/工业合作社), China Aid Council (CAC, 美國援華會/美国援华会), and United Service to China (USC, formerly United Relief to China/URC, 美國援華聯合會/美国援华联合会/美國援華救濟聯合會/美国援华救济联合会). The records contain correspondence of individuals who participated in the cooperative and those associated with it; typewritten reports of sub-units to the parent organization; periodicals and other publications issued in Chinese by the three regional headquarters (the early ones are probably quite rare); publications in English by these headquarters and by American committees formed to aid in the movement; mounted photographs showing the work of the cooperatives and their leaders; albums of newspaper clippings on the movement, emanating from the U.S. and abroad; maps showing locations of cooperatives; pencil sketches and watercolors of cooperatives at work; and other material concerning this important organization which was largely responsible for China's ability to feed and clothe, and care for the people during the war.

Correspondence, manuscripts, lectures, notes, diaries, notebooks, reports, financial records, blueprints, photographs, and printed materials of Y.C. James Yen and the IIRR concerned with the development, sharing, and financing innovative methods of teaching, improving agriculture, health and family planning, and education in impoverished villages. Among the cataloged correspondents are: Pearl Buck, William O. Douglas, Nelson Rockefeller, and DeWitt Clinton.

The correspondence, research, and teaching files of French-American cultural historian and Columbia University professor emeritus Jacques Barzun (1907-2012).

Correspondence with friends and patients, manuscripts and printed copies of Taft's many scholarly articles, notes for the courses which she taught, and case histories of some of her patients. Correspondents include James R. Angell, Ruth Benedict, and Karen Horney.

Material gathered by Oswald Garrison Villard in the researches for his biography JOHN BROWN, 1800-1859: A BIOGRAPHY FIFTY YEARS AFTER. A large part of the materials is copies of correspondence both contemporary and of a later period, concerning John Brown and his associates, especially in the Kansas Territory and at the Harper's Ferry raid. Of the original letters in the collection, many are from descendants and family of John Brown and the men who accompanied him on his raid. There are clippings, pamphlets, proof sheets, and other printed matter. Photographs number 181 items.

Correspondence relating to Erskine's various educational, musical and literary interests; manuscripts of his writings; lecture notes for college courses; souvenirs of his army service in World War I and his Columbia University professorship, and student papers from his own school and college days. Also, biographical file, scrapbooks, and articles.