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Science and life; Aberdeen addresses
The second jungle book
A manual of the ornithology of the United States and of Canada
Plain facts for old and young, or, The science of human life from infancy to old age : an illustrated cyclopedia of special knowledge for all classes…
The Berlin discussion of the problem of evolution; full report of the lectures given in February, 1907, and of the evening discussion
Canadian wild flowers worth knowing
Evolution and social progress
Practical horsemanship
An introductory discourse, delivered before the Literary and philosophical society of New-York, on the fourth of May, 1814
Papers presented to the World's Congress on Ornithology
