- American Society for the Prevention of Cruelty to Animals3
- Audubon Society of Rhode Island1
- Biltmore Forest School1
- Buckmaster, Stanley Owen Buckmaster, Viscount, 1861-19341
- Cash, James J.1
- Chase, J. Riley1
- Collinge, Walter E. (Walter Edward), 1867-19471
- Dobson, Alan S.1
- Funkhouser, Edward T.3
- Hopkins, Gerard Manley, 1844-18891
- National Association for Biomedical Research (U.S.)1
- National Society for the Abolition of Cruel Sports1
- North Carolina State University. Student Media1
- Oakley, John T.1
- Ramon, Brother, SSF1
- Royal Society for the Prevention of Cruelty to Animals25
- Royal Society for the Protection of Birds9
- Sedgwick, S. N. (Sidney Newman), 1872-19411
- Smith, Anna Harris1
- Smith, Huntington, Mrs.1