Manuscripts, proofs, and printed editions of Scheinfeld's books on human heredity, YOU AND HEREDITY, WOMEN AND MEN, and THE NEW YOU AND HEREDITY. Sketches and line drawings used as illustrations in the books are included. Also, manuscripts and clippings of his magazine articles; many examples of his comic strips, including "Dixie Dugan;" and correspondence and financial documents about his works.

This collection consists of correspondence, both personal and professional, of Andrew Cordier from the late 1920s through 1974, as well as administrative records related to Cordier's tenure at Columbia University.

The large collection covers all aspects of Cordier's life. It contains letters, memoranda, reports, cables, printed materials and photographs, mostly pertaining to his tenure at the United Nations and Columbia University.

The Chinese oral history project collection (中國口述歷史項目檔案) provides a wealth of information on the development of the project and its interviews with eminent Chinese political figures abroad in the United States and Hong Kong from 1958 to 1980s. The highlights of the collection consist of the administrative subject files, correspondence, interview photographs and reports, transcript drafts, collected autobiographies and manuscripts, audio recordings, and card files of names mentioned in the transcripts.

Records documenting Columbia University's activities prior to, during and immediately following World War II represent the focus of the collection. The collection contains material generated by a variety of groups and offices on campus evidencing the varied activities undertaken by the Columbia community during this time of world crisis.

Records of the University Senate, a governing body established by Columbia in 1969, consisting primarily of minutes, correspondence, reports, meeting agendas, and resolutions concerning various campus and academic issues. The records date primarily from 1969 to 2004 and are organized by committee or subcommittee and then arranged chronologically.

The Dan Talbot Papers document the business operation of the New Yorker Films, an independent film acquisition and distribution company, dating from 1960s to 2008, as well as movie theaters in the Upper West Side Manhattan which he operated, dating from 1960 to 2007. It is of particular relevance to New Yorkers as the Talbots operated the New Yorker Theater, Cinema Studio, Metro, and Lincoln Plaza Cinemas, on the Upper West Side, as popular venues to view independent and foreign films.

Established in 1965 by Columbia University, the Double Discovery Center (DDC) provides educational programs and services to low income and first generation college-bound junior high and high school students in New York City. The DDC is one of the oldest Upward Bound programs in the United States. The collection contains the records of the DDC from 1965 to 2005, including student files and materials documenting the DDC's primary programs, Upward Bound and Talent Search.

Earl I. Sponable was a chemist, Chief Engineer and Director of Research for Twentieth Century-Fox Film Corporation and its subsidiaries, 1926-1962. He was active in many aspects of research and development in broadcast and movie media, particularly in early sound film.

Professional and personal files including Armstrong's correspondence with professional associations, other engineers, and friends, his research notes, circuit diagrams, lectures, articles, legal papers, and other related materials. Of his many inventions and developments, the most important are: 1) the regenerative or feedback circuit, 1912, the first amplified radio reception, 2) the superheterodyne circuit, 1918, the basis of modern radio and radar, 3) superregeneration, 1922, a very simple, high-power receiver now used in emergency mobile service, and 4) frequency modulation - FM, 1933, static-free radio reception of high fidelity. More than half the files concern his many lawsuits, primarily with Radio Corporation of America, over infringement of the Armstrong patents. Litigation continued until 1967. Other files deal with his work in the Marcellus Hartley Research Laboratory at Columbia University, 1913-1935, and with the American Expeditionary Forces in France during World War I, his Air Force contracts for communications development, Army research during World War II, the Radio Club of America, the Institute of Radio Engineers, FM development at his radio station at Alpine, N.J., the use of FM in television, his involvement in Federal Communications Commission hearings and legislation, and his work with the Zenith Radio Corporation. Also, letters to H.J. Round