* [http://www.animallaw.com/ International Institute for Animal Law], [[National Anti-Vivisection Society]]
* From [https://web.archive.org/web/20100528115224/http://www.hsus.org/press_and_publications/humane_bookshelf/state_of_animals_iii_2005.html The State of the Animals III: 2005], [[Humane Society of the United States]]
:[https://web.archive.org/web/20090319235827/http://www.hsus.org/web-files/PDF/hsp/SOA_3-2005_Chap6.pdf International Animal Law, with a Concentration on Latin America, Asia, and Africa]
: [https://web.archive.org/web/20090319235828/http://www.hsus.org/web-files/PDF/hsp/SOA_3-2005_Chap7.pdf Progress in Animal Legislation: Measurement and Assessment]
