Papers of Zi︠a︡blov. Included is a copy of a letter from Moscow in 1919 by Zi︠a︡blov to his daughter, manuscripts, documents, photographs, and other miscellaneous items. Manuscripts include Zi︠a︡blov's travel diary of a trip from Moscow to the Black Sea and the Crimea in 1886, his memoirs, and lectures on engineering. The memoirs discuss his childhood and education (he graduated from Moskovskoe Tekhnicheskoe Uchilishche (Moscow Technical Institute)) in 1887; his work as a teacher and engineer; the 1905 revolution in Kolomna, where he was director of a machine works; and his continued engineering career through World War I and the early Soviet period. There are family photographs and photographs of unidentified groups, including Zi︠a︡blov, standing around locomotives. Also included is a pamphlet by Zi︠a︡blov"K voprosu o nemet︠s︡kom zasilí: Illi︠u︡strat︠s︡ii iz parovozostroĭtelńoĭ praktiki" (Petrograd, 1919).

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.

Correspondence, manuscripts, notes, clippings, and photographs of or relating to Cardozo, including his lecture notes as a student at Columbia, 1885-1889, and his commonplace books. Also, four boxes of printed and manuscript material collected by George S. Hellman while writing BENJAMIN N. CARDOZO, AMERICAN JUDGE; and photocopies of letters, manuscripts, and notebooks of original Cardozo papers in the Cardozo School of Law Library. Materials re. his estate and will have been added.

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 The manuscript files contain the notes and, in some cases, printed copies of published and unpublished works and public talks.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)

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

The collection includes more than 100 letters to Benningsen from P.P. Ignatév, the last Minister of Imperial Russia, written in 1920-1921; and correspondence between Benningsen and his wife, Ekaterina Platonovna Benningsen, and Ksenii︠a︡ V. Denikina. Several manuscripts by E. P. Benningsen are also included: a long memoir which treats the history of the Benningsen family, his own government and Red Cross service, the 1917 Revolution and the Civil War, and emigration in France and Brazil. There are copies of his lectures and articles on historical topics; a lengthy essay on the character of modern politics called "Ce que la vie m'a enseigne"̀; and a number of reviews of books dealing with Russia. There are two sets of subject files: one containing materials relating to the activities of the "Soi︠u︡z Pazheĭ" (an emigre organization of former members of the Corps of Pages); the other, materials relating to the efforts by former officers of the Kavalergardskiĭ Regiment to recover a trove of silver objects belonging to them that they had deposited in the State Treasury at the beginning of World War I and which finally ended up in Belgrade. A brief biographical note on her husband by Ekaterina P. Benningsen and a few photographs complete the collection.

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.

The collection documents the scholarship and writing of John Eugene Unterecker, a poet, biographer of the poet Hart Crane, and professor of English. The majority of the collection is composed of correspondence and manuscripts. Materials date from 1961 to 1987.

The Juan J. Linz papers contain correspondence, personal documents, awards, photographs, notes, writings, speeches, lectures and courses notes, research files, press coverage and interviews, and printed material, dating from 1920s to 2010. The materials also include one box of materials on Columbia Student Unrest in 1968. The collection provide an insight on Juan J. Linz's family and childhood as well as his education and his work as a political scientist and a professor.

Correspondence, manuscripts, documents, notes, notecards, journals, diaries, photographs, slides, memorabilia and printed materials documenting Goodrich's career in the field of Chinese language and history, as well as materials on the cultural affairs of twentieth century China. Among the cataloged correspondence are Joseph Alsop, Pearl S. Buck, Norman Cousins, Philip C. Jessup, H.H. Kung, Owen Lattimore, and Nathan Pusey. Part of the collection is arranged in Goodrich's alphabetical subject/name file and the remainder is arranged alphabetically. The correspondence is from colleagues, students, business associates, friends, etc. The subject files are on a variety of topics concerning China, the Far East, printing, medicine, the arts, and technology; material on the Chinese Civil Service Examination; associations, schools, foundations, missions and their work in the Far East.