Equids bibliography

Camp, C. L., and Smith, N., 1942, Phylogeny and function of the digital ligaments of the horse: Memoirs of the University of California, Berkeley, v. 13, p. 69-124.

Ewart, J. C., 1894, The development of the skeleton of the limbs of the horses, with observations on polydactyly: Journal of Anatomy and Physiology, v. 28, p. 342-369.

MacFadden, B. J., 1976, Cladistic analysis of primitive equids, with notes on other perissodactyls: Systematic Zoology, v. 25, p. 1-15.

Simpson, G. G., 1951, Horses: Oxford, Oxford University Press, 323 p.

Struthers, J., 1893, On the development of the bones of the foot of the horse, and of digital bones generally and on a case of polydactyly in the horse: Journal of Anatomy and Physiology, v. 28, p. 51-62.