"Copyright Holder: Ms. Beatrice Beer"@en . . "United States Holocaust Memorial Museum"@en . "box\n\n1"@en . . . "Contains three original photographs of Joseph Beer, nine copy prints of Joseph Beer, five copies of his operetta\"Polnische Hochzeit\" a poster entitled\"Stadttheater Zurich\" and a copy of\"Stradella\""@en . . . . . . "Joseph Beer collection"@en . . "irn502078" . .