Theodore Roosevelt
Protective coloration
African Game Trails, Syndacate Publishing Company, New York 1910, pp. 552-568.
Revealing and concealing coloration in birds and mammals
Bulletin of the American Museum of Natural History, Vol. 30, American Museum of Natural History, New York 1911, pp. 119-231.
Abbott Handerson Thayer
Concealing Coloration
The Auk, Vol. 28, American Ornithologists' Union, gennaio 1911, pp. 146-148.
Thomas Barbour e John C. Phillips
Concealing Coloration Again
The Auk, Vol. 28, American Ornithologists' Union, aprile 1911, pp. 179-188.
Concealing coloration
Popular Science Monthly, Vol. 79, The Science Press, New York giugno 1911, pp. 20-35.
Joel Asaph Allen
Revealing and Concealing Coloration in Birds and Mammals
The Auk, Vol. 28, American Ornithologists' Union, ottobre 1911, pp. 472-480.
Concealing-Coloration: A Demand for Investigation of My Tests of the Effacive Power of Patterns
The Auk, Vol. 28, American Ornithologists' Union, ottobre 1911, pp. 460-464.
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