Correspondence, scripts, slides, scores, set designs, prompt books, scrapbooks, costume designs, programs, playbills, broadsides, clippings, fliers, photographs, announcements of forthcoming productions, clippings, and related materials. Columbia University theatrical groups include The Columbia Laboratory Players, The Columbia College Dramatic Group, The Wigs and Cues, The Summer Session Classes in Play Production, The Morningside Players, and the Columbia Theatre Associates which superseded all the preceding groups. There is an extensive file on the Columbia Laboratory Players; including production files that document the various stages involved in putting together a dramatic production. In addition there are typewritten scripts representing the spectrum of plays that were produced over the Lab's active years. There are photographs of only a few specific plays. Non Lab materials relate to Rehersal Course productions, a Columbia English Department course that was closely affiliated with the Lab players

The East Harlem Protestant Parish (EHPP) was an interdenominational ministry seeking to provide leadership in the development of community life, and was an excellent example of an ecumenical ministry in a local, inner-city setting. The collection contains documents and photographs of the churches, individuals, programs, and committees of the EHPP.

Edmund Stevens (1910-1992) was an American journalist who worked as a foreign correspondent in the Soviet Union from the 1930s until the early 1990s. He won the Pulitzer Prize for international reporting in 1950. The papers include articles, book materials, correspondence, travel notes, reporter notebooks, and photographs.

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; minutes; reports; surveys of conferences and Home Missions congresses and the American Indian, Indian tribes, reservations, and agencies; maps; photographs; and slides.

Correspondence, subject files, manuscripts, photographs, slides, and printed materials relating to criminal justice and economic history documenting the work of Henry Cohen. The correspondence consists of two series, general correspondence and correspondence relating to "Criminal Justice History." There are manuscripts by Cohen for "Interpretive History of American Political Economy" (unpublished?) and other manuscripts including the introduction to the film script "Public Enemy." There are manuscripts by other authors submitted for publication in "Criminal Justice History" with related photographs. The subject files relate to "Business and Politics in America" with related photographs, the Spater artistic censorship case at the University of California, discussion material relating to the "National Right to Work Legislation" "Brutal Justice" with related slides, the Geese National Theater Company, the Pritzker Architecture Prize and the paper "Vicisitudes of an Absentee Landlord." The printed materials include copies of CJH articles, issues of "Historical Approaches to Studying Crime" and other offprints

Black and white slides of theaters, actors, and actors in productions, portraits depicting contemporary costumes begining with Greek amphitheaters. Most of the slides are from contemporary prints.

This collection consists of correspondence, manuscripts, notes, notebooks, illustrations, photographs, audio cassettes, and printed materials related to Meade's research on Dorothy Parker.

The collection documents American attorney Marshall MacDuffie's work as chief of the United Nations Relief and Rehabilitation Administration's Mission to the Ukraine, and his trip to the Soviet Union in 1953.

These records document the history of the New York Chamber of Commerce and Industry, beginning with its establishment in 1768. Tracking the wax and wane of the organization's influence over the next two centuries, the collection provides a first hand account of the Chamber's many contributions to New York City and State business and development. These records exist in a wide variety of formats, such as bulletins, correspondence, minute books, and printed materials.