- National Council for Animals' Welfare43
- American Humane Education Society7
- Spurrier, Robert H.6
- American Humane Association5
- Cather, J. Leonard4
- Animal Rescue League of Boston3
- Yarrow, Mary Craige3
- Lovell, Mary F.2
- Massingham, H. J.2
- Odette, Mary2
- Patterson, Ewen K.2
- Smith, Anna Harris2
- Smith, Huntington, Mrs.2
- Wade, Jessey2
- Western Humane Press Committee2
- Williams, Jeffrey D.2
- Woman's Christian Temperance Union2
- Yeats-Brown, F.2
- American Anti-Vivisection Society1
- American Humanitarian League1