. . . . "Kupferberg family papers"@en . "Documents relating to the Kupferberg family who fled Austria to Shanghai and the United Kingdom, Palestine, and the United States. Includes correspondence, travel and identification documents, military service documents (from World War I), birth certificates, school records, death certificate, and contracts, related to family of Herman and Hedwig (Baruch) Kupferberg."@en . . . . "folders\n\noversize folder\n\n3\n\n1"@en . . . "Copyright Holder: Mr. Erich Kupferberg"@en . "irn85410" . "United States Holocaust Memorial Museum"@en .