| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Nature in the Northwest: An introduction to the natural history and ecology of the northwestern United States from the Rockies to the Pacific | 978-O-13-61O386-8 (O-13-61O386-3) | 1983 |
H.S. · H. Schwartz · S H · S S · S. Schwartz · Susan S · Susan Schwartz