The Wilfred Feinberg papers consist of over 200 linear feet of material, primarily dating from his fifty years as a judge on the United States District Court for the Southern District of New York and United States Court of Appeals for the Second Circuit. Some highlights of the collection include rulings and case files from precedent-setting cases, Feinberg's committee work drafting the 1995 Long Range Plan for the Federal Courts, and a detailed oral history.

The Willard L. Severinghaus Papers include the personal and professional papers of Columbia University Physics professor Willard Lesly Severinghaus, as well as a small amount of material related to the extended Severinghaus family. There are also record books from the Terre Haute, Indiana German Methodist Episcopal Church where Severinghaus's father, John F. Severinghaus, was pastor.

The papers consist of Dr. Harkness' records, charts, photographs, and drawings from his various scientific observations and experiments.

The William Hobart Mitchell Papers are comprised of five series: Correspondence, Music Career, Writings, Personal Papers and Teaching Materials. The largest body of correspondence contains letters written between Mitchell and his first wife, Claramary (Clerky), that document their courtship in the mid 1930s as well as William's time in the Civilian Public Service unit during World War II. The majority of the letters relate to William's musical tours of universities and colleges throughout the United States between the late 1940s and the early 1960s. This group of letters shares William's experiences during his travels as well as documenting Claramary's everyday life in New York City and later in Rye, New York.

The William James Papers is comprised of three series: Personal Papers, Business Records and Printed Materials. The first series includes correspondence written from and to James from ca. 1942- 1953, a draft and final paper written in 1935 while at the University of Rochester, and a birthday tribute poem presented by Mabel Gleason. Business Records is made up of financial receipts from James's career as a film director and producer. Also in this series are photographs James took while traveling in Japan, India and other parts of Asia. Many of these photographs have captions on their versos. Printed Materials include the November 1939 issue of Travel that features a series of James's photography shot in Kerbela, Iraq, as well as other trade journals that address trends in photography and the film industry. Also in this series in a folder with a memorial service program, a newspaper clipping, Christmas card designed by James and other items.

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

Correspondence and notes mostly relating to Marvin’s research on Masonic medals. Includes rubbings, wax impressions, photographs, and illustrations of coins and medals, as well as printed materials related to Freemasons.

William Yukon Chang was the founder and editor of "Chinese-American Times", a Chinese American paper that published completely in English from 1955 to 1972. While running the newspaper, Chang also served in local social and civic groups to address issues facing the New York Chinatown community, including poverty, juvenile delinquency, mental illness and lack of access to adult language programs. The William Yukon Chang papers document Chang's life and career, Chinese American life, and social service and activism scene in the Lower East Side from the 1950s to the 1970s.

The Willis Britton Papers contains two series: Personal Papers and Business Materials. Personal Papers include photographs, maps, legal documents, correspondence, newspaper clippings, and genealogical material relating to his business affairs and family. Business Materials documents the developing of W.N. Britton Reality Company.

The Winston Churchill Commencement Materials contains letters, telegrams, memoranda, clippings, and other items relating to Churchill's speech and honorary degree. Correspondents include Winston Churchill, Fred Hovde, and Alan Valentine. A collection of additional photographs and postcards was received from the Minneapolis Collection at the Minneapolis Public Library in March 2004.