Center for US-China Arts Exchange records, 1956-2019, bulk 1977-2003
102 Linear FeetConstance Baker Motley Papers, 1935-2006
13.72 linear feetThe bulk of the Motley papers document her professional life. The papers include correspondence, manuscripts, memoranda, speeches, interviews, photographs, audio cassettes, and memorabilia.
Edwin H. Armstrong papers, 1886-1982, bulk 1912-1954
295.7 linear feetProfessional 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
Gordon Bunshaft architectural drawings and papers, 1909-1990, bulk 1950-1979
20 linear feetGraduate School of Journalism records, 1912-2011, bulk 1950-1989
71.26 linear feetHerbert Wechsler Papers, 1919-2000, bulk 1932-1995
60 linear feetLawrence A. Cremin Papers, 1932-2007, bulk 1939-1990
53 linear feetNew York City Opera records, 1924-2019, bulk 1965-1991
214 linear feetPeter G. Davis Papers, 1912-2021, bulk 1948-2021
13 Linear FeetLimit your search
- Americans United for Separation of Church and State Subject Files, 1953-20181
- Center for US-China Arts Exchange records, 1956-2019, bulk 1977-20031
- Constance Baker Motley Papers, 1935-20061
- Edwin H. Armstrong papers, 1886-1982, bulk 1912-19541
- Gordon Bunshaft architectural drawings and papers, 1909-1990, bulk 1950-19791
- Graduate School of Journalism records, 1912-2011, bulk 1950-19891
- Herbert Wechsler Papers, 1919-2000, bulk 1932-19951
- Lawrence A. Cremin Papers, 1932-2007, bulk 1939-19901
- New York City Opera records, 1924-2019, bulk 1965-19911
- Peter G. Davis Papers, 1912-2021, bulk 1948-20211
- Americans United for Separation of Church and State1
- Armstrong, Edwin H (Edwin Howard), 1890-19541
- Bach, P. D. Q., 1742-18071
- Bronk, William1
- Bunshaft, Gordon, 1909-19901
- Chou, Wen-Chung, 1923-20191
- Columbia University. Center for U.S.-China Arts Exchange1
- Columbia University. Graduate School of Journalism1
- Cremin, Lawrence A (Lawrence Arthur), 1925-19901
- Davis, Peter G.1
Current results range from 1839 to 2021
- Alpine (N.J.)1
- Beijing (China) -- Description and travel1
- Channel Tunnel (Coquelles, France, and Folkestone, England)1
- China -- Description and travel -- Maps1
- China -- Foreign relations -- United States1
- China -- Photographs -- 20th century1
- New York (N.Y.) -- Politics and government1
- Seveso (Italy)1
- Shanghai (China) -- Description and travel1
- United States -- Foreign relations -- China1
- Audiocassettes17
- Clippings (Information Artifacts)✖[remove]17
- Correspondence13
- Photographs9
- Notebooks6
- Articles5
- Interviews5
- Newsletters5
- Speeches (documents)5
- minutes (administrative records)5