Werke
| Der Kampf zwischen Mensch und Tier Book digitized by Google from the library of University of California and uploaded to the Internet Archive by user tpb. |
Weitere Informationen zur Person
Gemeinsame Normdatei (GND)
Deutsche Digitale Bibliothek
Virtual International Authority File
Library of Congress (LOC)
ISNI
Allgemeine Deutsche Biographie
Wikidata