"1888-12-20Z"^^ . . "Yitzhak Baer (Hebrew: \u05D9\u05E6\u05D7\u05E7 \u05D1\u05E2\u05E8) (born 20 December 1888; died 22 January 1980) was German-Israeli historian and an expert in medieval Spanish Jewish history."@en . "Yitzhak Baer"@en . "1888Z"^^ . . "1980-01-22Z"^^ . . . "Israeli historian" . . . "1980Z"^^ . . "1980-12-22Z"^^ . "Baer, Yitzhak"@en . .