This collection documents the life and work of the economist Arthur Prinz. It is comprised of correspondence, documents, diaries, clippings, research notes, index cards, and books and offprints. Information on various topics, especially immigration and emigration during the 1930s, Jews and the German economy, and Marxist economics will also be found here.

The Hans Tramer Collection consists of 8 boxes and 52 folders.

This collection consists mainly of the diaries of Zionist Martin Hauser. Born in Berlin in 1913, Hauser emigrated to Palestine in 1933. He volunteered for the Royal Air Force during World War II and was involved in the liberation of Dachau. In addition to his diaries from 1929-1951, the collection includes speeches, Zionist circulars, and military reports.

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's diary, personal dedications, correspondence, newspaper clippings, and photographs pertain to the legacy of Robert Weltsch, an eminent journalist, editor, and Zionist. The collection also documents the lives of Robert Weltsch’s family members including his wife Martha and their children, Ruben and Shoshanah, and the implications of their Jewish heritage on their choice to emigrate to Palestine amid the rise of Nazi Germany.