References

Debate.org, Do zoos do more harm than good?

Animal Legal and Historical Center, Detailed Discussion of the Laws Affecting zoos, Kali S. Grech, Michigan State University College of Law, 2004

Born Free USA, Zoos Aren’t Sanctuaries, Craig Brestrup Ph. D., Animal Issues, Volume 35, number 4, 2004

Global animal, All about animals, from pets to wildlife, Zoos: The Historical Debate, Kristin, 2012

The Wild Animal Sanctuary, America’s Premier Sanctuary For Large Carnivores

Wolf Rescue Sanctuary Education

 

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