The collection contains Bernard G. Richards personal and official correspondence, papers from his involvement with the American Jewish Congress and Jewish Information Bureau, published and unpublished writings, publications collected by Richards, articles about Richards and his activities, correspondence and articles from testimonial dinners in honor of Richards, and photographs. Significant correspondents include Joseph Barondess, Louis D. Brandeis, Vladimir Jabotinsky, J.L. Magnes, Louis Marshall, Franklin D. Roosevelt, Jacob H. Schiff, Philip Slomovitz, Arthur Hays Sulzberger, Morris Winchovsky, and Stephen S. Wise.

Collection consists of correspondence, speeches, photographs, clippings, and memorabilia relating to Crestohl's activities as a lawyer and as a member of the House of Commons in the Parliament of Canada representing Montreal-Cartier, 1950-1963. It includes material relating to Canadian immigration policies, German rearmament, humane slaughtering, and citizen reactions to these issues; correspondence with members of the Israeli Parliament, and correspondence and speeches relating to his numerous activities in communal and Jewish affairs in general and Zionist organizations and The ORT in particular; and personal writings and memoirs in typescript and published material by and about Leon Crestohl.

The collection also contains correspondence in English and Yiddish between members of the Crestohl family, primarily his mother Rose (Weitzman) Crestohl, 1926-1941, and published and manuscript material, both original and copies, relating to the career of his father Hyman Meyer Crestohl, 1904-1921.

This collection contains correspondence, pamphlets, periodicals, newspapers, press releases, writings, clippings, brochures, fliers, and posters from the era of the Spanish Civil War, and later, documenting American and international fund-raising for humanitarian relief of Republican Spain; American and international public opinion about the war; the participation of Jews in the International Brigades; and reminiscences and commemorations of the war and, particularly, of the International Brigades, in later years. A portion of the material on relief work pertains to trade union activities, as documented in papers of Charles S. Zimmerman, of the International Ladies’ Garment Workers’ Union, in his capacity as leader of Trade Union Relief for Spain, in New York City. Other organizations represented include the Medical Bureau and North American Committee to Aid Spanish Democracy; the Spanish Information Bureau in New York; the Friends of the Abraham Lincoln Brigade; and the Israeli branch of the association of volunteers in the International Brigades. There are also autobiographical manuscripts by Benjamin Lubelski and Sigmund Stein, who participated in the International Brigades; and contemporary publications in a variety of languages, including publications of the anarchist-leaning Spanish trade union confederations CNT-FAI.