Roman Vishniac [Program for annual gala dinner in honor of Albert Einstein hosted by Children to Palestine, Inc. Greater New York Committee, March 31, 1952, signed by Albert Einstein]
Roman Vishniac [Sisters Marion, Renate, and Karen Gumprecht, refugees assisted by the National Refugee Service (NRS) and Hebrew Immigrant Aid Society (HIAS), shortly after their arrival in the United States, Central Park, New York]
