1. Order perissodactyla;Ansell;The Mammals of Africa: An Identification Manual, Part 14,1974
2. On the anatomy of the Sondaic rhinoceros.;Beddard;Trans. Zool. Soc. Lond.,1887
3. On the cerebellum of the horse.;Bradley;J. Anat. Physiol.,1899
4. Note sur une nouvelle espece de Rhinoceros.;Burchell;Bull. Sci.,1817
5. The preputial glands of Ceratotherium.;Cave;Mammalia,1966