This collection contains materials collected by David Trotsky relating to the Jewish community of Belgium in the inter-war period. Materials include printed documents, posters, reports, meeting minutes, and newspaper clippings, mainly pertaining to the Jews of Brussels and Antwerp.

This collection contains documents of journalist and left-wing political activist Paul Novick, consisting mainly of correspondence, subject files, manuscripts, photographs, and newspaper clippings. These materials relate to Novick’s career as long-time editor of the Morning Freiheit (Morning Freedom), his important role in the worldwide Communist movement, the history of the Freiheit itself, and Jewish and general politics. These materials demonstrate Novick’s important, and changing, role in the history of Communism, as well as his career as a Yiddish journalist and author.

The Vilna Collection represents fragmentary materials that were part of the original YIVO Archives in Vilna before WWII. The collection includes a wide array of materials dealing with a great variety of aspects of Jewish life in the Pre-revolutionary Russian Empire and post-revolutionary Poland, Ukraine, Lithuania, and Soviet Russia. The Collection consists of personal correspondence, official correspondence with organizations and governmental institutions, financial and statistical reports, minutes of meetings of Jewish communal and political organizations, bibliographic materials, including card catalogues and bibliographies. Also included here are vital documents, such as birth certificates and birth registers, affidavits, certificates, diplomas, and travel documents. Additionally, there are petitions, resolutions, appeals, printed materials, manuscripts, lists, and questionnaires. There is a wealth of materials dealing with Jewish book trade and publishing, youth and sports organizations, education, Jewish communal life, and political activities.