The animal mind; a text-book of comparative psychology Washburn, Margaret Floy, 1871-1939 creator text book New York The Macmillan company 1908 1908
print
ENG Animal intelligence Psychology, Comparative QL785 .W38 1908 The animal behavior series, vol. II https://www.biodiversitylibrary.org/bibliography/31648 10.5962/bhl.title.31648