"1943 February" . . "United States Holocaust Memorial Museum"@en . "irn4794" . . . . "oversize folder\n\n1"@en . "Letter, written by Zofia (Zosia) Cygielsztrajch (donor's sister) in February 1943, at age nineteen, while she was in hiding in Warsaw. The letter describes living conditions in the Warsaw Ghetto, her escape of Warsaw Ghetto, and her experiences in hiding."@en . . . . . "Zofia Cygielsztrajch letter"@en .