Books by Otto Wilckens:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Wilckens, Otto, 1876-1943: Allgemeine gebirgskunde (G. Fischer, 1919) (page images at HathiTrust; US access only)- Wilckens, Otto, 1876-1943: Die Anneliden, Bivalven und Gastropoden der antarktischen Kreideformation (Lithographisches Institut des Generalstabs; [etc., etc.], 1910), also by Svenska sydpolar-expeditionen (1901-1903) (page images at HathiTrust; US access only)
- Wilckens, Otto, 1876-1943: Die lamellibranchiaten, gastropoden etc. der oberen kreide Südpatagoniens. (C. A. Wagners universita̲ts-buchdruckerei, 1905) (page images at HathiTrust; US access only)
- Wilckens, Otto, 1876-1943: Geologie der Umgegend von Bonn (Verlag von Gebrüder Borntraeger, 1927) (page images at HathiTrust; US access only)
- Wilckens, Otto, 1876-1943: Grundzüge der tektonischen geologie (G. Fischer, 1912) (page images at HathiTrust; US access only)
- Wilckens, Otto, 1876-1943: Handbuch der regionalen Geologie. (C. Winter, 1910), also by G. Steinmann (page images at HathiTrust; US access only)
Find more by Otto Wilckens at your library, or elsewhere.