- Temple University Press✖[remove]9
- Francione, Gary L. (Gary Lawrence), 1954-4
- Culture and Animals Foundation2
- Duke University Press2
- Moore, G. E. (George Edward), 1873-19582
- Narveson, Jan, 1936-2
- Singer, Peter, 1946-2
- Adams, Carol J.1
- Aristotle1
- Butler, Karl Douglas, 1910-1
- Centaur Press1
- Cigman, Ruth, 1951-1
- Descartes, Rene, 1596-16501
- Hare, R. M. (Richard Mervyn)1
- Humane Society of the United States1
- Hume, David, 1711-17761
- Kant, Immanuel, 1724-18041
- Linzey, Andrew1
- Luke, Brian, 1962-1
- National Institutes of Health (U.S.)1