Leid und Freude in der Naturforschung
(Q61748833)
German article in Die Gartenlaube, 1870, no. 22, 23
German article in Die Gartenlaube, 1870, no. 22, 23
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Leid und Freude in der Naturforschung
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| description | German article in Die Gartenlaube, 1870, no. 22, 23 |