Here's how to make an outdoor cat an indoor cat.
Indoor cats - Ottawa Humane Society
When Indoor Cats Want To Go Outside – FELIWAY Shop
FAQ: Outdoor Cats and Their Effects on Birds
Outdoor cats FAQ The Humane Society of the United States
Kitten Season is HERE! - Harbor Humane Society
Sterling, 30-Pound Cat, Finds New Home After Humane Society Pleads
Theme Developer, Author at Humane Society of Utah
Feline Resources
Can an outdoor cat become an indoor cat? — K&H Pet Products