| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2001 | 978-0-9658942-3-4 | Andrew N. Rowan · Deborah J. Salem | The State of the Animals: 2001 |
| 2002 | 978-0-9658942-5-8 | Margaret R. Slater | Community Approaches to Feral Cats: Problems, Alternatives, and Recommendations (Public Policy Series) |
| 2013 | 978-0-9658942-6-5 | Humane Society of the United States | The HSUS Euthanasia Reference Manual |
| 2003 | 978-0-9658942-7-2 | Andrew N. Rowan · Deborah J. Salem | The State of the Animals II: 2003 |
| 2004 | 978-0-9658942-8-9 | Bernard Oreste Unti | Protecting All Animals: A Fifty-Year History of the Humane Society of the United States |
| 2005 | 978-0-9658942-9-6 | Ros Clubb · Georgia Mason | Elephants In Captivity |