1. Bell, D. J., Oliver, W. L. R. & Ghose, R. K,. 1990. The Hispid Hare. In: Chapman, J. A. & Flux, J. E. C., eds., Rabbits, Hares, and Pikas, Status Survey and Conservation Action Plan, pp. 128-136, IUCN, Gland.
2. Chapman, J. A. & Ceballos, G,. 1990. The Cottontails. Ibid. pp. 95-110.
3. Bell, D. J. &Flux, J. E. C., 1990. Introduction and Overview of the Lagomorphs. Action Plan. pp. 1-6. IUCN, Gland.
4. Corbet, G. B., 1983. A review of classification in the family Leporidae. Acta Zoologica Fennica 174: 11-15.
5. Dawson, M. R., 1981. Evolution of the Modern Lagomorphs. In: Myers, K. & MacInnes, C. D., eds., Proceedings of the World Lagomorph Conference, pp. 1-8. Guelph Univ. Press, Guelph.