Correspondence files and financial papers. The files include correspondence, contracts, clippings and programs, ledgers and financial accounts, submission books, and calendars and memorandum books. Authors for whom there are extensive files include the following: Truman Capote; Patrick Dennis; John Dos Passos; Lloyd C. Douglas; John Hersey; Alice Tisdale Hobart; Paul Horgan; William Humphrey; Frances Parkinson Keyes; Margaret Mitchell; Alan Paton; Kenneth Roberts; Lillian Smith; John Steinbeck; George R. Stewart; Ben Ames Williams; and Kathleen Winsor

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.

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 There is some unpublished work in various genres, including essays, poetry, teleplays, and theater.

Douglas Putnam Haskellan (1899-1979) was an American writer, architecture critic and magazine editor. This collection contains correspondence, memos, articles, speeches, lectures, transcripts, clippings, notes, printed matter, photographs, audiotapes, and memorabilia mainly relating to Douglas Haskell's editorship at Architectural Forum and his professional activities. The collection includes items dating from 1866 to 1979, with the majority of materials dating from the period of 1949 to 1964.

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

Personal correspondence, speeches, subject files, photographs, and printed and miscellaneous material of Hogan. The correspondence, speeches, and other material relate primarily to his activities as District Attorney, and to his unsuccessful campaign for the U.S. Senate, 1958. The papers also reflect Hogan's deep concern for Columbia University, as a Trustee and a member of numerous alumni committees. Among the major correspondents are Harry J. Carman, Dwight David Eisenhower, Robert F. Kennedy, Arthur Hays Sulzburger, and Herbert Bayard Swope.

Personal and professional papers of the notable literary critic. The collection includes correspondence, manuscripts, notes, journals, photographs, drawings and films, and a collection of signed and annotated books and magazines from Dupee's library.

Correrspondence, manuscripts, notes, memoranda, documents, photographs and printed materials. In addition to personal correspondence and documents, there are files of Amnesty International, the human rights organization of which Morris was American Section chairman. Also included are notes and manuscripts of Morris' studies in Japanese literature and culture, particularly relating to his many books and translations. His interest in puzzles, and compilations of several volumes of them, are reflected in notes and correspondence. Among the major correspondence are Donald Keene, Anthony Powell, Sacheverell Sitwell and Arthur Waley

The Lionel Trilling Papers document the life of author, professor, and literary critic, Lionel Trilling. This collection contains his writings, extensive correspondence with other New York intellectuals, personal documents, and other records concerning his professional activities.

Correspondence, manuscripts, notes, diaries, documents, photographs, audio tape recordings, printed materials, scrapbooks, and sketches and drafts of portraits. Her finished portraits on ivory are cataloged separately for the Art Collection (q.v.). The collection includes her correspondence with friends and clients; manuscripts of her articles, lectures, and many unpublished autobiographical drafts; pencil sketches, watercolor drafts, and photoprints of her portraits on ivory; photographs of her family amd travels; clippings and other printed materials; and three scrapbooks of clippings and memorabilia. There is cataloged correspondence from Arnold Genthe, S.I. Hayakawa, Karen Horney, Burges Johnson, Dwight Macdonald, and Alice B. Toklas, etc.