J-Z · K Zimmer · Kevin J. · Kevin Zimmer
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Western Bird Watcher: An Introduction to Birding in the American West | 978-0-13-950817-2 (0-13-950817-1) | 1985 |
| Western Bird Watcher: An Introduction to Birding in the American West | 978-0-13-950825-7 (0-13-950825-2) | 1991 |