Julius F. Sachse

Jacob Philadelphia, mystic and physicist

Publications of the American Jewish Historical Society, N. 16, American Jewish Historical Society, 1907, pp. 73-94.

Edmund H. Wilkie

Optical illusions

The Magician Annual, 1908, pp. 20-33.

Abbott Handerson Thayer

An arraignment of the theories of mimicry and warning colors

Popular Science Monthly, Vol. 75, The Science Press, New York dicembre 1909, pp. 550-570.

Theodore Roosevelt

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.

Abbott Handerson Thayer

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.

Abbott Handerson Thayer

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.

Walks Through a Brick Wall and Mystifies Magicians

The World Magazine, 2 agosto 1914.