Animal Planet: Saying Goodbye  
   How to face the biggest decision of all, when to end your cat's life.
   http://animal.discovery.com/guides/cats/catcare/goodbye.html

Care for My Cat: Feline Euthanasia and Coping with Cat Loss  
   Explains what euthanasia is and how to cope with the death of your cat.
   http://www.care-for-my-cat.com/html/euthanasia.html

HSUS: General Statement Regarding Euthanasia Methods  
   Insists that in order to be humane, every euthanasia technique must result in painless, rapid unconsciousness, followed by cardiac or respiratory arrest and ultimately death.
   http://www.hsus2.org/international/library/euthanasia_statement.html

Messybeast: Time To Let Go  
   A guide to euthanasia, the death of a cat and pet bereavement.
   http://www.messybeast.com/euth.htm

VetCentric: Waiting for My Cats to Die  
   Book review about Stacy Horn's funny, sad, self-deprecating memoir about cats and death.
   http://www.vetcentric.com/magazine/magazineArticle.cfm?ARTICLEID=1864

The Veterinary Cat Clinic: Euthanasia  
   Veterinary Surgeon Aileen Brown discusses having your cat “put to sleep”.
   http://www.catclinic.co.uk/health/euth.htm

Vetinfo: Euthanasia  
   Mike Richards DVM explains what happens when a cat is euthanized and whether or not to consider euthanasia for cats with feline leukemia.
   http://www.vetinfo.com/ceuth.html

CatStuff: Helping Your Cat Deal with the Loss of a Companion  
   Provides information on how to help your pet cope with the death of a companion animal.
   http://www.xmission.com/~emailbox/coping.htm

Messybeast: Euthanasia - Gentle Death, Painful Decision  
   Gives reasons for euthanasia, how to face the tough decision, examining life expectancy and facing the inevitable.
   http://www.messybeast.com/euth2.htm

Messybeast: Towards the End, From Feline Old Age Through to Pet Bereavement  
   Subjects covered include ageing, disability, care, health, diseases, when to let go, home nursing, euthanasia, bereavement and adopting another cat.
   http://www.messybeast.com/towards-end.htm

The Feline Advisory Bureau: Euthanasia  
   Describes what happens when a cat is "put to sleep". Also grieving and how to help children to cope.
   http://www.fabcats.org/euthanasia.html