1. Alley Cat Allies. (2018). University of Nebraska is wrong about feral cats. Retrieved from https://www.alleycat.org/resources/university-of-nebraska-wrong-about-feral-cats/
2. American Veterinary Medical Association. (2018). Guidelines for responsible pet ownership. Retrieved from https://www.avma.org/KB/Policies/Pages/Guidelines-for-Responsible-Pet-Ownership.aspx
3. Animals Lebanon. (2010). TNR saves campus cats. Retrieved from http://www.animalslebanon.org/tnr-campus-cats