Charles C. Thomas, Springfield, Illinois, 1935.

Darwin, Charles,

The Descent of Man (reprint of second edition, 1874), A. L. Burt Co., New York.

Da Vinci, Leonardo, A Treatise on Painting, George Bell & Sons, London, 1877.

Day, R. H.,

Human

John Wiley & Sons, Sydney, Australia, 1969.

Dean, Stanley R., editor.

Nelson-Hall, Chicago, 1975.

De Givry, Grillot,

Bilinmeyen sayfa