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papers from his involvement with the American Jewish Congress and Jewish Information Bureau, published and unpublished writings, publications collected by Richards, articles about Richards and his activities, correspondence and articles from testimonial dinners in honor of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.

The collection contains papers of one of the pioneers of the American Soviet Jewry Movement. Starting in the early 1960s Moshe Decter instigated broad publicity campaigns to raise global awareness about the persecution of Soviet Jews and authored hundreds of articles on the subject in a variety of publications. Mr. Decter established and directed the Jewish Minorities Research bureau, served as the executive secretary of the Conference on the Status of Soviet Jews and as a director of research at the American Jewish Congress. Moshe Decter Papers consist of materials dating from the late 1950s to the early 2000s, with the bulk of the collection dating in 1960s-1970s. The documents include articles, correspondence, transcripts, notes, memoranda, publications, news clippings, broadsides and photographs.