Similar Principles: The Animal Rights Movement, Feminism, and Abortion Opponents
Essay, with quotations, showing the similarities between the AR, feminism, and anti-abortion movements.

The Sanitizing of Violence in our Society
Information about blood sports, the hunting of animals, as well as bull and cock fights.

The Psychology of Abuse
There is a substantial scientific literature linking aggressiveness toward animals and aggressiveness toward people. When psychologists interview violent criminals, for example, they often find a history of cruelty to animals.

Domestic Violence
Information regarding the link between animal abuse and violence to humans.

U.S. Department of Justice: Animal Abuse and Youth Violence
Frank R. Ascione, Ph.D. Research of the relation between cruelty to animals and violence to humans. He specifically excludes legal hunting and certain agricultural and veterinary practices as having any connection.