Radstake, C. Zwerfdieren Het ontstaan van Zwerfdierpopulaties.
Humane_Dog_Population_Management_Guidance_English, ICAM
ICAM-Humane cat population, ICAM
Contraception-and-Fertility-Control-in-Dogs-and-Cats-van-Acc-d-febr-2013
Honderd jaar Hondenbescherming 1912 – 2012, Mediacentrum Rotterdam, 2011
Humane Society International, The Animal Birth Control Programme, Help in Suffering, Jaipur, 2003
ICAM Coalition, Humane Cat Population Management Guidance, 2007
ICAM Coalition, Humane Dog Population Management Guidance, 2007
RSPCA Policies on Animal Welfare, 2014
Sternheim, I., Hoe Nederland zwerfhondenarm is geworden, eigen uitgave, 2012
Sternheim, I, How Holland became stray dog free, 2012
Wandeler, A.I., Canine Rabies Control, 1993
WHO Expert Consultation on Rabies, 5-8 October 2004 TRS 931 WHO Geneva 2005
WSPA/RSPCA, International Stray Control Practices in Europe, 2006 – 2007
WSPA, Surveying Roaming Dog Populations, Guidelines on Methodologies, 2005