A list of links on topics related to cats and cat care:

Cat Health
Summer Care Tips (Humane Society of the United States - HSUS)

Cat Training and Behavior
Cat Behavior Tip Sheets (HSUS)
Cat Behavior Tip Sheets (En espanol)

Finding pet-friendly housing
Moving with pets
Renting with Pets (HSUS)
Finding Pet Friendly Housing (HSUS)

Trap-Neuter-Release (TNR)
 Stray Cat Alliance

Feline Nutrition
www.catinfo.org