1. 10 U.S. Code 2016 §925 - Art 125, Forcible sodomy; bestiality
2. 720 Illinois Compiled Statutes 2011 5/12-35, Sexual conduct or sexual contact with an animal
3. Multiple paraphilic diagnoses among sex offenders;Abel;Bulletin of the American Academy of Psychiatry and the Law,1988
4. Animal Legal Defense Fund 2017 2017 U.S. Animal Protection Laws Rankings: Comparing Overall Strength & Comprehensiveness
5. Animal Welfare Institute 2017 Preventing Animal Cruelty and Torture (PACT) Act https://awionline.org/content/preventing-animal-cruelty-and-torture-pact-act