The Humane Society of the United States
The Humane Society of the United States (HSUS), dünya genelinde hayvan haklarını savunan Washington merkezli kâr amacı gütmeyen kuruluş. Amory, Cleveland, Man Kind? Our Incredible War on Wildlife (1974). Balcombe, Jonathan, The Use of Animals in Higher Education: Problems, Alternatives, and Recommendations (2000).