Correspondence, speeches, speech materials, news clippings, subject files, audio and videotapes relating to the professional activity of Arthur Levitt, Jr. The papers and audiovisual material deal primarily with his tenure as the Chairman of the Securities and Exchange Commission (1993-2001), but also contain earlier records, including some materials relating to Levitt's school years at the Polytechnic Preparatory Country Day School and at Williams College, and his work at Hayden Stone, the American Stock Exchange, and the New York Economic Development Corporation, and his advocacy of the National Endowment of the Arts during the 1991-1992 funding controversy. These papers also contain materials relating to his father, Arthur Levitt, Sr., who served for 24 years as New York State Comptroller.

Notes and minutes from RCL meetings, 1970-1994.

Correspondence, memoranda, reports, etc.

The Core Curriculum records contain teaching and administrative materials chiefly pertaining to the longstanding Columbia College courses Contemporary Civilization and Humanities A (now called Literature Humanities). Materials include syllabi, exams, quizzes, teaching resources, administrative correspondence and memos, and curricular reviews and reports. The Core Curriculum records contain limited material pertaining to Core classes beyond Contemporary Civilization and Literature Humanities.

There are letters, photos, manuscripts, fan mail (as well as may of the actual "Dolores Dice" letters from people all over the country), recordings, and music scores of her plays. There is some unpublished work in various genres, including essays, poetry, teleplays, and theater.

Personal and professional papers of Stedman, including correspondence, letter books, diaries, poetry manuscripts, scrapbooks, photographs, and genealogical materials for the Stedman and Dodge families. Correspondence and manuscripts of his mother, Elizabeth Clementine Dodge Stedman Kinney (1810-1889), poet and diarist, and of his granddaughter, Laura Stedman Gould (1881-1941), author and editor. Also, editions of Stedman's LIBRARY OF AMERICAN LITERATURE including printed materials relating to the marketing; and an album of Civil War photographs by Mathew Brady, inscribed by the photographer to Laura H.W. Stedman as well as additional loose photographs by Brady.

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

Manuscripts, notes, correspondence, printed materials, and books. Ther collection contains typescript manuscripts with handwritten corrections of Cantor's novels"Enemy in the Mirror" (N.Y.: Crown Books, 1977) and "Love Letters" (N.Y.: Crown Books, 1980); printed works composed by Gallery 33 of the Composing Room, which Cantor headed from 196l to 1971; and articles by Cantor from various magazines, including "Esquire" and "Coronet". Also included are typescript manuscripts of "The Rite" (N.Y.: Zebra Books, 1979) and "The Nest" (N.Y.: Zebra Books, 1980), novels written by Cantor under the pseudonym Gregory A. Douglas. Series II of the collection contains 59 bound volumes of publications, edited by Cantor, from the "Research Institute of America", a New York based organization devoted to economic affairs

Notes and books from the library of Frances Elizabeth Henne, including some of her own books from her childhood, and others on children's literature inscribed to her by the authors; material for her class on illustration in children's literature, 1952-1979; and memorabilia. Also, a 3,000 card bibliography of children's books cited in book dealer catalogs as well as a small group of entries for monographs and serials with references to children's literature; printed ephemera collected by Phyllis Yuill Marquart (Columbia M.L.S., 1973) relating to her collecting of and research on Helen Bannerman's LITTLE BLACK SAMBO. Included are photocopies of Bannerman's out-of-print books, a folder on commercial spinoffs, such as Sambo's Restaurants, photocopies of various editions of STRUWELPETER, which contains the Sambo story and a 1971 BBC audio tape recording and transcript of a radio program on the topic.

Correspondence, manuscripts, notes, drafts of speeches, appointment books, subject files, documents, photographs, memorabilia and printed materials. There are notes from her lectures on Sociology at Adelphi College in 1911-1912; papers from 1912-1932, when Perkins served on the Commission for Safety and on the Industrial Commission of New York State; the main body of the material is from the period of her cabinet office, 1933-1945; and some items from her days on the Civil Service Commission, 1946-1953. Also included are personal and family papers.