1. Diagnostic and Statistical Manual of Mental Disorders
2. Animal Legal & Historical Center 2005 In the Matter of a Protective Order for Jean Marie Primrose - Cat Champion Corporation, Appellant v. Jean Marie Primrose, Respondent https://www.animallaw.info/pleading/matter-protective-order-jean-marie-primrose-cat-champion-corporation-appellant-v-jean-marie
3. Anonymous 2017 Japan to compile guidelines to address animal hoarding https://www.japantimes.co.jp/news/2017/09/16/national/japan-compile-guidelines-address-animal-hoarding/