Orlando Charnock Bradley, 1896, Outlines of Veterinary Anatomy. Part I. The Anterior and Posterior Limbs, Baillière, Tindall & Cox, p. 224. Free full text on Google Books
Fayrer, Sir Joseph (1889) The deadly wild beasts of India, pp. 218–240 in James Knowls (ed) The Nineteenth Century, Henry S. King & Co., v. 26; p. 219. via Google Books
doi.org
Ollivier FJ, Samuelson DA, Brooks DE, Lewis PA, Kallberg ME, Komáromy AM (2004). "Comparative morphology of the tapetum lucidum (among selected species)". Veterinary Ophthalmology. 7 (1): 11–22. doi:10.1111/j.1463-5224.2004.00318.x. PMID14738502.
Ollivier FJ, Samuelson DA, Brooks DE, Lewis PA, Kallberg ME, Komáromy AM (2004). "Comparative morphology of the tapetum lucidum (among selected species)". Veterinary Ophthalmology. 7 (1): 11–22. doi:10.1111/j.1463-5224.2004.00318.x. PMID14738502.