The Winn Feline Foundation: Early Spay/Neuter in the Cat
- Summary of a report on early spaying and neutering of kittens by Diana Cruden Ph.D.
- http://www.cfa.org/articles/health/early-neuter.html

PETA: Sex and the Kitty
- Public service campaign encouraging the spay/neuter of cats. Includes video of the advertisement.
- http://www.fixcats.com/

I Love Cats: Neuter and Spay
- Outlines what spaying and neutering is and what the benefits are.
- http://www.i-love-cats.com/Health/spay.htm

How, When and Why to Spay or Neuter Your Feline
- An overview of spaying and neutering including the benefits, the operation, the vasectomy option and the best age to desex. Describes new technologies.
- http://www.hdw-inc.com/spayneuter.htm

Low Cost or Free Spay - Neuter Programs in the U.S.
- Arguments in favor of spaying or neutering cats including a directory of low cost or free spay/neuter programs listed by state with related links.
- http://www.lovethatcat.com/spayneuter.html

Yahoo! Pets: Spaying and Neutering Your Cat
- Myths and realities of neutering and spaying of cats.
- http://pets.yahoo.com/pets/cats/care/health/?article=spaying_and_neutering_your_cat

Feline Neutering
- The benefits of neutering a male cat as an intact tom can make a most unpleasant household companion.
- http://www.sniksnak.com/cathealth/neutering.html

Spay/Neuter Your Cats
- The advantages and procedures involved in spaying your cat.
- http://www3.sympatico.ca/taniah/cats/neuter.html

Animal Planet: Spay/Neuter
- Facts about spaying and neutering cats along with the benefits.
- http://animal.discovery.com/guides/cats/catcare/sterilizationintro.html

Dispelling The Myths of Spay/Neuter
- Article about spay and neuter by David Zanders D.V.M.
- http://www.feralcat.com/zanders.html

Sarah Hartwell: The Anti-Neutering Lobby
- Researcher Sarah Hartwell addresses those who oppose neutering cats and gives her view on the issue.
- http://www.messybeast.com/antineuter.htm