| title | ISBN-13 (ISBN-10)  | year of publication | 
|---|---|---|
| Animal and Human Conduct | 978-0-8153-6747-5 (0-8153-6747-3)  | 2020 | 
| Psychology Library Editions: Comparative Psychology: Animal and Human Conduct | 978-0-8153-6735-2 (0-8153-6735-X)  | 2018 | 
E -R · E. Ritter · W R · W Ritter · William E. · William Emerson Ritter · William R. · William Ritter