'The question of animal reason', Harpers
Tags: 1900s; 1905; 1905-9-1; Animal intelligence; Biology; Cognition in animals; Instinct; Long, William J. (William Joseph); Reason; William J. (William Joseph) Long; Zoology
'Do animals think?', Harpers
Tags: 1900s; 1905; 1905-6-1; Animal intelligence; Biology; Cognition in animals; Rabbit, Peter; Zoology
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