Historically, "pit bull" was an informal and slang label used to describe any dog that was subjected to the cruel sport of bull-baiting - using dogs (of any breed) to seize tethered animals such as
Pit Bull Awareness Month-Pit Bulls Get A Bad Rap. They Deserve Better - Rescue Ranch Inc.
Pit Bulls and Separation Anxiety: 3 Ways to Cure It - Kennel to Couch
Dangerous dog breeds: Why are pit bull-like dogs controversial? - Vox
Are Pit Bulls Dangerous? Experts Debunk 8 Myths About The Dogs
10 Intriguing Pit Bull Facts – SPARK PAWS
What is a pit bull? It's not actually a dog breed
10 Reasons Why Pit Bulls Rule
My Pit Bull Is Not a Breed Ambassador, But I Am Not Ashamed! – Dogster
Dogs - remedies by breed - American Pit Bull Terrier - NHV Natural Pet
Basic Breed Overview - PIT BULL RESCUE CENTRAL
Not All Scary Dogs Are Pit Bulls, Often Confused with Other Breeds
Help! My dog is a banned pit bull! - Environmental and Animal Defense