- Regan, Tom3
- Animal Defence and Anti-Vivisection Society2
- Moore, G. E. (George Edward), 1873-19582
- American Medical Association1
- Comstock, Gary, 1954-1
- Gandhi, Mahatma, 1869-19481
- Hopkins, Gerard Manley, 1844-18891
- MacCarthy, Desmond, 1877-19521
- Plato1
- Ramon, Brother, SSF1
- Royal Society for the Prevention of Cruelty to Animals1