1. The last ruling reptiles, alligators, crocodiles and their kin;Neil,1971
2. Wildlife conservation: in the belly of the beast;Webb,2013
3. World trade in crocodilian skins 2011-2013;Caldwell,2015
4. Crocodiles: biology, husbandry and diseases;Huchzermeyer,2003
5. A color atlas of diseases of the crocodile;Youngprapakorn,1994