The materials in this collection constitute a semi-random sample of the pre-war archive that was transferred to the Central State Archives of the Lithuanian Soviet Socialist Republic following the liquidation of the Vilnius Jewish Museum in 1949. The collection includes records of YIVO work and activities, financial records, correspondence, and publications; documents about pogroms in Ukraine, and Red Army and Soviet activity in Vilna and Bialystok; and a significant amount of records of socialist, communist, and Zionist political parties, as well as associated newspapers and one-time publications.

This collection pertains to the personal lives of Gustav and Hannah Landau née Stein, especially centering on their lives in the 1930s. The focus of the collection is the handwritten correspondence exchanged between the couple, as well as their experiences with Zionism and the youth group Kadimah. Other notable items include a photo album and school and university papers.

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.

This collection contains programs and papers read at the Annual Meetings of 1915-1916, the resolution passed at a special meeting in 1915 regarding the founding the School for Jewish Communal Work, the pension plan proposals, and correspondence regarding the Summer School for Social Work held jointly with the Jewish Chautauqua Society. Includes correspondence with the American Jewish Committee, National Americanization Committee, National Conference of Jewish Charities, New York City Board of Education, and the U.S. Dept. of Labor Immigration Bureau relating to the work of the association. Contains also the correspondence of Cyrus Adler, Ludwig Bernstein, Louis d. Brandeis, Lee K. Frankel, Israel Friedlander, Oscar Leonard, Louis Levin, Irving Lipsitch, Minnie F. Low, Louis Marshall, Belle Moskowitz, Milton Reizenstein, H.L. Sabsovich, Philip Seman, and Morris D. Waldman.