There are files of correspondence and papers of other economists and of his students, his research papers and professional publications, a group of published and unpublished papers dealing with the "Graham Plan" (Benjamin Graham, a securities analyst) for basing a monetary standard on a "basket" of primary commodities, and also the research notes of his work for the U.N. on Central America and tax reform in Chile. The teaching materials are accompanied by notes by Hart that describe the papers and relate them to the events of his life and thinking. The section headings in these notes correspond to the major divisions of the teaching materials.Among the correspondents are: Milton Friedman, J.K. Galbraith, A.B. Hart, J.M. Keynes, David Rockefeller, and F.W. Taussig.

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.

This collection contains correspondence, manuscripts, notes, research materials, theses, course materials, subject files, printed matter and photographs, 1957-1985, pertaining to American economist, Carlos Federico Diaz Alejandro.

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.

The Chinese oral history project collection (中國口述歷史項目檔案) provides a wealth of information on the development of the project and its interviews with eminent Chinese political figures abroad in the United States and Hong Kong from 1958 to 1980s. The highlights of the collection consist of the administrative subject files, correspondence, interview photographs and reports, transcript drafts, collected autobiographies and manuscripts, audio recordings, and card files of names mentioned in the transcripts.

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)

Correspondence, memoranda, reports, etc.

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