H. B · H.N. · Harry B. · Harry Nehls
Oregon State University Press · Portland Audubon Society
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Birds of Oregon: A General Reference | 978-0-87071-182-4 (0-87071-182-2) | 2006 | David B. Marshall · Matthew G. Hunter · Alan L. Contreras |
| Familiar Birds of the Northwest Covering Birds Commonly Found in Oregon, Washington, Idaho, Northern California, and Western Canada | 978-0-931686-04-7 (0-931686-04-0) | 1981 | |