- Euthanasia Reference Manual , designed to be the definitive basic education tool for understanding the methods and techniques of performing humane euthanasia. (The Humane Society of the United States)
- Manual de Referencia Sobre la Eutanasia, Spanish version
- Guidelines for the Euthanasia of Animals: 2020 Edition (American Veterinary Medical Association)
- The Welfare Basis for Euthanasia for Dogs and Cats and Policy Development (International Companion Animal Management (ICAM))