- Adams, Carol J.1
- American Fund for Alternatives to Animal Research1
- American Humane Association1
- American Medical Association4
- American Veterinary Medical Association1
- Animal Legal Defense Fund1
- Animal Liberation Front1
- Animal Rights Network1
- Apple Computer, Inc.1
- Aristotle4
- Associated Church Press1
- Babe (Motion picture : 1995)1
- Bacon, Francis, 1561-16261
- Bakke, Allan Paul1
- Bedau, Hugo Adam1
- Bell, Clive, 1881-19642
- Bell, Vanessa, 1879-19613
- Bentham, Jeremy, 1748-18322
- Brandt, Richard B.1
- Brennan, Andrew1