. . . . "Heinz Max and Jetty Werthamer Newbeck families collection"@en . . . "irn556057" . "The collection consists of two prayer book, documents, correspondence, and photographs related to the experiences of Heinz Max and Jetty Werthamer Neubeck (later Newback) and their families, the Neubacks in Dortmund, Germany, and the Werthamers, originally from Kolomea, Poland, as well as Heinz and Jetty's experiences during the Holocaust in Shanghai, China, and their postwar emigration, with their son Reginald, to the United States in 1947."@en . .