"1887-02-08Z"^^ . "1955Z"^^ . . . "1887Z"^^ . . . . . "Heinrich Christian Johann Spoerl"@en . "Heinrich Spoerl (1887\u20131955) was a German author."@en . . "Spoerl, Heinrich"@en . "German writer" . . . "1955-08-25Z"^^ .