The collection chiefly consists of Goldenweiser's American legal case files. There are also case files from his German years, and substantial materials on his research into the condition of Russian refugees and refugee problems in general in the 1930s. Much of the correspondence from the late 1930s and early 1940s concerns Jews in Germany and occupied Europe. Correspondents in the collection include Mark Aldanov, Abraham Cahan, Antal Dorati, Georgiĭ Florovskiĭ, Tatʹi︠a︡na Frank, Vladimir and Vera Nabokov, and Mikhail Karpovich; there are 1 or 2 items each from Dwight D. Eisenhower, Eleanor Roosevelt, Herbert Lehman, and Nikolaĭ Losskiĭ. Letters, manuscripts, and documents by Vera Nabokova contain considerable information on her and her husband's lives in Germany and in the United States. Many of the American case files concern (as does much of the Nabokova material) individual claims for reparations from Germany after World War II.

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 Carnegie Endowment for International Peace established Le Centre Européen de la Dotation Carnegie pour la Paix Internationale in Paris as part of its Division of Intercourse and Education (Division des Relations et de L'Education) in 1912. The Centre was founded with an Advisory Council composed of representative and distinguished statesmen and public leaders of Europe and Asia. An Executive Committee was appointed from this Council with the authority to carry out the work of the Division abroad. The Centre Européen Records (1911-1940, 316 boxes) consist of correspondence; clippings; meeting minutes, agendas, and transcripts; lectures in typescript and printed form; memoranda; financial documents; books, pamphlets, speeches, reports, and brochures in typescripts and printed versions; invitations; maps; posters; architectural plans and drawings; and photographs, which document the founding, administration, and activity of the Centre Européen specifically and, in a more general sense, the work of the Carnegie Endowment in Europe.

Carnegie Endowment for International Peace, established by Andrew Carnegie in 1910, is a private, nonprofit organization dedicated to advancing cooperation between nations and promoting active international engagement by the United States. The files document the activities of the New York and Washington Offices of Carnegie Endowment for International Peace from 1910 until 1954, as well as the founding, administration, and activity of the Centre Europeen (CEIP Paris Office) and the work of the Carnegie Endowment in Europe in 1911-1940

Correspondence, manuscripts, documents, subject files, case files and printed materials. Both incoming and outgoing correspondence is included. The correspondence is primarily addressed to Clark Foreman, Edith Tiger, Leonard Boudin, and Victor Rabinowitz. The subject files include records of the "Bill of Rights Journal" published by the NECLC along with dinners and the annual Tom Paine Award presentations. Recipients in the past have been Bob Woodward and Carl Bernstein, Shirley Chisolm, Dr. Benjamin Spock, Tom Smothers, Pete Hamill, and NECLC officers Edith Tiger, Leonard Boudin, and Clark Foreman

Correspondence, manuscripts, subject files, biographical material, photograph, personal property, audio cassettes, and memorabilia. Among the cataloged correspondence are letters from John Haynes Holmes, Fiorello Henry LaGuardia, Edith Kermit Roosevelt, and Eleanor Roosevelt. The arranged correspondence is filed chronologically with annual folders for materials from Isaacs' terms as Manhattan Borough President and bulk date folders for general, personal and topical correspondence. There is a file of correspondence with Mrs. Edith S. Isaacs concerning her biography of Stanley M. Isaacs"Love Affair with a City." Also includes manuscripts by her, and other material relating to her and her charitable work. Addresses, essays and lectures are included in the manuscript files. Among the subject files are campaign materials for the City Councilman elections, 1937, 1941, 1957, etc. There is a brochure from the Dedication of the East River Drive (June 18, 1940) and the New Municipal Asphalt Plant (May 24, 1944), as well as newspaper clippings and other printed political pamphlets and reports. The biographical materials include facts for speakers, personal legal papers and memorial statements. There are three photographs. A leather portfolio and a collection of memorabilia including awards, certificates, plaques, and medals