Approximately 12,000 letters to Allan Nevins from various correspondents including James Truslow Adams, Franklin Delano Roosevelt, Harry S. Truman, Willa Cather, Frances Folsom Cleveland, Van Wyck Brooks, Robert Frost, Newton D. Baker, Archibald MacLeish, John D. Rockefeller, Jr., Carl Sandburg, and Henry Wallace; notes and typescripts for Nevins' books including Emergence of Lincoln, The Ordeal of Democracy, Rockefeller, and History and Historians, with notes by editor Ray A. Billington; miscellaneous transcripts, clippings, newspapers, and photographs. Also, autograph letters and manuscripts by presidents, Civil War figures, financiers, politicians, and authors. There are also the Brand Whitlock World War I Diaries and letters to him by such people as Herbert Hoover, Gen. John J. Pershing, and others.

These book manuscripts include the corrected typescripts of: "Analytical philosophy of action" (Cambridge University Press, 1973); "Analytical philosophy of knowledge" (Cambridge University Press, 1968); "Jean-Paul Sartre" (New York, Viking, 1974) with a.ms. & galley proofs; and "Nietzsche and morality" (New York, Macmillan, 1965).

Correspondence, subject files, manuscripts and printed materials documenting the work of C. Martin Wilbur, George Sansom Professor Emeritus of Chinese History, Columbia University. Correspondence with non-Columbia organizations includes the Institute of Pacific Relations, Far Eastern Association, INDUSCO, Council on Foreign Relations, Asia Foundation, and American Council of Learned Societies, among others. Subject files relevant to Columbia University include items pertaining to the Department of Chinese and Japanese, later renamed the Department of East Asian Languages and Cultures, as well as teaching files, student files and research projects directed. The manuscript files contain the notes and, in some cases, printed copies of published and unpublished works and public talks. Wilbur's writings and research concentrate on the history and politics of twentieth century China, with emphasis on the Chinese Revolution, 1920-1929, Sun Yat-sen, and communism in China. There are translations of minutes for the first and second Kuomintang Congresses, copies of documents from the Kuomintang Archives, and photographs of members of the Young China Party, Sun Yat-sen and several historical events in the 1920s. Files on fund raising efforts for the Department of East Asian Languages and Cultures and the Wellington Koo Fellowship also contain relevant correspondence. Biographical information includes a curriculum vitae (ca. 1968)

Douglas Stuart Moore (1893-1969) was an American composer, educator, and author. His best known works include the operas The Devil and Daniel Webster (1937-1939), The Ballad of Baby Doe (1953-1956), and Giants in the Earth (1949-1950), which won the Pulitzer Prize for Music in 1951. The papers include clippings, correspondence, course and lecture materials, librettos, photographs, programs, publicity materials, recordings, and scores.

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

Correspondence, manuscripts, notes, course materials, and printed matter relevant to the teaching and research of Elliott V. K. Dobbie, Professor of English. Correspondence files contain materials on various publications including American Speech, Modern American Usage, Word as well as letters with students and colleagues. The manuscripts include Columbia University English Department files, course materials on the history of the English language, examinations, lectures given by others and notes thereon; texts of sagas, materials on Short History of English Grammar and West Frisian language. The notes are primarily on Anglo-Saxon Poetic Records. Printed matter includes numerous offprints inscribed to Dobbie and materials used in his research.

Correspondence, scripts, manuscripts, and reports regarding his activities in the American radio and film industries. Included are papers regarding projects for the United State Government, the Indian film industry, various television and radio networks, and private ventures. Also included is material regarding the Center for Mass Communications of Columbia University, in which Barnouw figured prominently and files for the books he has written.

Correspondence, manuscripts, memorabilia, photographs, and printed materials. The correspondence consists of letters relating to the publication and review of Jäckh's books, articles, and book reviews and typescript copies of letters by Hans Jäckh. There are manuscripts for his articles, lectures and speeches as well as clipping files of book reviews and articles by and about Jäckh in the European and North American press. The bulk of the collection is written and printed in German and deals with the Balkans and the Near East before 1920, including the Balkan War of 1912-1914, and the Turkish Revolution. Of particular interest are manuscripts and articles describing his land travels between 1903 and 1913 with the German fleet and on hot air balloons. Other topics covered include the Hocjschule für Politik, German labor unions, German-European relations, European attitudes towards the United States, and his literary works. There are also some manuscripts dealing with the Balkans and the Near East during World War II. An extensive file of photographs depicts, Albania, Asia Minor, Baghdad, the Balkans, Constantinople, Genoa, the German naval fleet, the Hochschule für Politik, hot air balloons, Italy, the Mediterranean, Turkey, the Turkish Revolution, the United States, Versailles, and Weimar. There are books from Jäckh's library, some with marginal notes, some signed and inscribed to him as well as copies of his own works.

Manuscripts of essays and course notes taken while a student at Amherst College, 1884-1889, and at Berlin University, 1892-1894. Articles, addresses, essays, lectures, lecture notes and reading notes. Also included are diaries for the years 1936-1940 and correspondence concerning Amherst College, Columbia University, and Woodbridge's stay as a visiting scholar in Berlin, 1931-1932. Among his correspondents are: Frederick S. Allis, Secretary of the Amherst Board of Trustees; Stanley King, President of Amherst; and Nicholas Murray Butler, President of Columbia. Some photographs are also included.

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.