- Royal Society for the Prevention of Cruelty to Animals44
- British Union for the Abolition of Vivisection41
- Victoria Street Society for the Protection of Animals from Vivisection, united with the International Association for the Total Suppression of Vivisection32
- League for Prohibition of Cruel Sports31
- Animal Defence and Anti-Vivisection Society25
- National Society for the Abolition of Cruel Sports25
- National Council for Animals' Welfare22
- University of London. Animal Welfare Society19
- Universities Federation for Animal Welfare17
- People's Dispensary for Sick Animals (Great Britain)16
- Hadwen, Walter R. (Walter Robert), 1854-193213
- National Anti-Vivisection Society13
- Cobbe, Frances Power, 1822-190412
- Royal Society for the Protection of Birds10
- Tait, Lawson, 1845-18998
- Bayly, Maurice Beddow7
- Lind-af-Hageby, L. (Lizzy), 1878-19635
- London Anti-Vivisection Society5
- National Anti-steel-trap League4
- Bell, Ernest3