This Collection contains correspondence relating to Diamond's legal and political career, during which he served as Corporation Counsel for the City of Buffalo, New York State Supreme Court Justice, and on the faculty of the University of Buffalo Law School; material on his activities in the mayoral, gubernatorial, and presidential political campaigns, 1928-1952, among which was the chairmanship of the Buffalo Volunteers for Stevenson, and on his extensive communal and philanthropic activities.

The material concerning his philanthropic activites is cprimarily concerned with the American Civil Liberties Union, the Buffalo Jewish Center, the United Jewish Fund of Buffalo, the United Jewish Appeal, the American Jewish League for Israel, the American-Israel Cultural Foundation, the American Fund for Israel Institutions, the American Friends of the Hebrew University, the State of Israel Bonds, the Independent Zionists of America, the American Zionist Council and the American Christian Palestine Committee.

Collection also includes materials from the Civic Affairs Committee of Erie County; the Children's Aid Society; the United War and Community Fund; the Emergency Committee to Save the Jewish People of Europe; anti-Nazi materials; material on civil rights and anti-discrimination legislation; the problem of church and education; speeches; general correspondence; newspaper clippings; and memorabilia.

This collection contains Marvin Lowenthal's correspondence, journals, diaries, documents, photographs, memorabilia, and printed materials relating to his life, writings, Zionist activities, and relief work on behalf of German Jewry. Includes material on his youth, school work, and college years, as well as autobiographical writings and family correspondence containing information on Horace Kallen and early 20th century Zionist activities. Of particular note is his later correspondence with Jacob Billikopf, Jerome Frank, Horace M. Kallen, Elmer Rice, Eugene C. Taylor, and Stephen S. Wise.

This collection contains material relating to Norman Salit's activities with various organizations, including the Synagogue Council of America, the Rabbinical Assembly of America, the Wartime Emergency Commission for Conservative Judaism, the Boy Scouts of America, the Jewish Education Committee, the American Child Guidance Foundation, Religion in American Life, the Valley Forge Foundation, the Jewish Theological Seminary of America, and the National Community Relations Advisory Council. There are also speeches, writings, sermons, items related to Sharit's legal work and Zionist activities, as well as some letters from Mordecai Kaplan.

The collection has been arranged according to the following broad subject areas: personal affairs; speeches, sermons, and articles, both manuscript and published; the Free Synagogue in New York City; the Jewish Institute of Religion; American Jewish affairs; relations between the Jewish and non-Jewish communities; New York City affairs; United States affairs; the press (both Jewish and non-Jewish); world affairs; the American Jewish Congress and World Jewish Congress; refugees; Zionism; Palestine and Israel; arts and letters; and individual corrspondence of a general nature.