Beasts and men, being Carl Hagenbeck's experiences for half a century among wild animals Hagenbeck, Carl, 1844-1913 creator text book London Longmans, Green, and Co 1912 1912 New impression.
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ENG Animal training Collection and preservation Menageries Zoological specimens Zoos GV1811.H2 A4 1912 https://www.biodiversitylibrary.org/bibliography/34749 3178063 10.5962/bhl.title.34749 OCO