Baer, Karl Ernst von:
Baer, Karl Ernst von "Reden, Zweiter Teil" (1886) Number of scanned pages: 508 (Evolution; Geologie)
Language: German, Created: 2003-08-13
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pdf-File: Complete book (Medium resolution) (133.99 MBytes)
Baer, Karl Ernst von; Keyserling, Alexander "Welche Auffassung der lebenden Natur ist die richtige?" (1908) Number of scanned pages: 56 (Evolution)
Language: German, Created: 2003-08-20
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pdf-File: Complete book (Medium resolution) (15.87 MBytes)