Correspondence, manuscripts, diaries, commonplace books, drawings, photographs, and printed materials. The collection is a comprehensive documentation of the dramatist's career and includes manuscripts, typescripts, notes, and costume and scenic design for more than seventy of his plays and related writings; 31 diaries, commonplace books, and scrapbooks containing manuscript and typescript notes, travel sketches, original drawings, and photographs; and correspondence files including letters from Harley Granville-Barker, Sir Herbert Beerbohm-Tree, John Galsworthy, Booth Tarkington, and Thornton Wilder. Austin Strong's mother, Isobel Field, was the step-daughter of Robert Louis Stevenson. Consequently, the collection contains much Stevensoniana, including photographs and Isobel Field's letters from Western Samoa, where she was known as "Teuila." Also, correspondence and photographs relating to Cornwall Park, Auckland, New Zealand, which was designed by Austin Strong.

Correspondence, minutes of meetings, financial records, publications, notes, subject files, awards, speeches, reports and audiovisual materials document work by the Church Peace Union, its successors Council on Religion in International Affairs and Council on Ethics and International Affairs, and related organizations such as the World Alliance for International Friendship Through the Churches. The first installment of the CCEIA archival materials came to the RBML in 1974, with numerous additions over the years. A major addition in 1982 contained primarily the records of the Board of Directors and their semi-annual meetings, as well as the various programs and institutes of the Council, for the years 1972-1982, along with selected 1930s materials. 1986 addition contains presidential correspondence files, minutes of the Board of Trustees and committees, special projects, programs and conferences files, and the business and editorial files of "Worldview". Correspondents include John Foster Dulles, Jane Addams, Fiorello La Guardia, and Paul Tillich. 1990 and 2000 additions includes files of CCEIA presidents and vice presidents, paper and audiovisual materials on Merrill House Conversation Programs; Educational programs; International Monetary Fund/Lecture series; The Annals Of The Academy Of Political & Social Science; Washington Consultations; Colloquia for the Clergy; Church State Project; Asian Development & The Carribean Initiative; Korea: Year 2000 Project; fundraising files, printed materials and files of the Department of Publications.

Letters, documents, clippings, and printed matter related to the work of the Citizens Union of New York, including correspondence, memoranda, and reports which survey, analyze, and criticize bills introduced in the state legislature and city council; 244 boxes of "Who's Who" biographies of candidates for city and state offices; files of campaign and election materials; records of affiliated "good government" organizations in New York City; and extensive financial records.

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.

Personal and professional correspondence, publications, poetry manuscripts and diaries, and scrapbooks belonging to Prudential Insurance Company statistician, cancer researcher, and eugenicist Frederick Ludwig Hoffman (1865-1946). These items document Hoffman's career, family life, and his extensive travels.

These papers relate to her governmental activities and provide an important documentary record of her career to 1950. Included are mimeographed and typed copies of minutes of the various committees upon which she served, city bills and other municipal legislation, correspondence, memoranda, notes, etc. Earle family papers have been added. There is also a microfilm copy of Asher William Schwartz's A STUDY OF THE NEW YORK CITY COUNCIL

The correspondence, research, and teaching files of French-American cultural historian and Columbia University professor emeritus Jacques Barzun (1907-2012).

Correspondence relating to Erskine's various educational, musical and literary interests; manuscripts of his writings; lecture notes for college courses; souvenirs of his army service in World War I and his Columbia University professorship, and student papers from his own school and college days. Also, biographical file, scrapbooks, and articles.

Columbia, A.B., 1931; M.A., 1933; Ph.D., 1944. Professor of religion and philosophy at Columbia University. Member of Fraternity of Leaders of the American Ethical Union; author and scholar in field of American philosophical and religious thought. The collection includes correspondence, manuscripts, course materials, research notes, minutes, clippings, reprints of articles, as well as 25 inscribed or annotated books.

Correspondence of Price with contemporary political figures including Theodore Roosevelt, Henry L. Stimson, Benjamin Cardozo, Martin Saxe, and John Purroy Mitchel; records of the Fusion Committee of 1909; and scrapbooks of clippings relating to New York City fusion movements, 1909-1933.