Here's how to make an outdoor cat an indoor cat.
Cat Programs - Ventura County Animal Services
The Humane Society of the United States - Virginia
Indoor vs. Outdoor Cats: Cat Safety and Happiness - HubPages
Help Community Cats: A Step-by-Step Guide to Trap-Neuter Return
Should You Let Your Cat Outside?
When Indoor Cats Want To Go Outside – FELIWAY Shop
How to bring an outside cat indoors
The Humane Society of the United States - Illinois
Keeping Cats Indoors House Cat Tips RSPCA
A County Shelter We Can Be Proud Of
Man's Stray-Cat 'Hotel' Amazes Internet