W.S. · William F Sigler · William F. Sigler and Associates for International Correspondence Schools · William S.
McGraw-Hill · University of Nevada Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Customized Wildlife Law Enforcement | 978-0-697-21980-0 (0-697-21980-1) | 1997 |
| Fishes of the Great Basin: A Natural History | 978-0-87417-116-7 (0-87417-116-4) | 1986 |