American Bird Conservancy: Cats Indoors - A campaign to protect birds other wildlife and free-roaming cats. Teacher's guide posters and fact sheets covering topics such as laws managed cat colonies and how to make an outdoors cat happy indoors [PDF].

Animal Welfare: The Indoor/Outdoor Cats Debate - Explores the arguments for and against confining cats from an Australian perspective.

Animal Welfare: The Truth About Cats and Wildlife - Examines both sides of the Australian cats versus wildlife debate.

Animals Australia: Cats - Facts and Myths - Researcher Frankie Seymour examines claims about the impact of cats on the environment.

Australian Cats - A forewarning of the consequences of cat control. Includes links to related material and forum.

Bird Dog News: The Silent Wildlife Killer - Summary of a five-year University of Wisconsin study to determine the impact of free ranging domestic cats on rural wildlife.

Cat Fanciers: The Outside World - Extensive information about your cat and the outside world.

Cat Herding on the Military Range - Efforts by the military to deal with abandoned and feral cats on military bases. Humane control owners' responsibility with photographs.

Cat World: Cats in the Garden - Article by Penny Bydlinski offering alternative suggestions for allowing cats outside while keeping them on the property.

Cats of Rome - The story of the free-roaming cats of the Argentine Tower in Rome.

CNN: Australian Proposal would Wipe Wild Cats from Continent - John Raedler reports on the proposal designed to protect endangered species.

DDFL: Your Cat: Indoors Or Out - Reasons people allow their cats outdoors with comments and suggestions.

Dogs and Cats in the Urban Environment: Cat Issues - Includes an overview of cat issues cats - pets or pests predation and types of cats.

Gazette.Net: Let Them Out - Letter objecting to the Cats Inside program.

How to Turn a “Homeless” Cat into a Domestic Cat - Instructions on how to train an outdoor cat to be a domesticated indoor cat.

Messybeast.com: The Great Australian Cat Dilemma - A history of the debate on cat control in Australia including perceived threats to wildlife and the ban of the Bengal breed.

My Fellows are Stray Cats - Videos of stray cats in Tokyo Japan.(Japanese language pack)

NY Daily News: Stray Cats? Drown 'em - Biologist Doug Little suggests holding stray cats heads under water for several minutes as a way of getting rid of unwanted animals.

Outdoor Cats - A photo exhibition and information about stray cats. Also in Japanese.(Japanese language pack)

Petnet: The Metropolitan Domestic Cat - This is a survey of the population characteristics and hunting behaviour of the domestic cat in Australia which was undertaken to address concern about the possible impact of cats on wildlife.

Petnet: Urban Animal Management Conference - Proceedings of the Australian conferences including cats' impact on wildlife unowned cat colonies and cat legislation.

Problem Behaviors in Cats - What to do about “outside” cats and other problem cat behavior.

The FWC and Feral Cats - Clarification of the Florida Fish and Wildlife Conservation Commission's policy on feral and free-ranging cats on lands owned and managed by the commission.

The Pope and the Homeless Cats - Observations by Pope John Paul II about the plight of a homeless cat and her kittens.