(AAFP) American Association of Feline Practitioners

A searchable directory of AAFP veterinarians. Publishes practice guidelines for veterinarians.
(CWA) Cat Writers’ Association, Inc.

Books about cats written by CWA members, networking resources for cat writers, publishers and editors.
The Cat Fanciers Association

Information on cat breeds and how to care for your cat. Cat show information and past winners.
Cornell Feline Health Center
Specialty feline veterinary center. Information on cat health and how-to video library.

KNOW Heartworms

Information on feline heartworm disease and downloadable materials for clinic use.
Winn Feline Foundation
Founded by Cat Fanciers’ Association, supports health studies to improve cat care and treatment.