| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Easy Bird Guide: Eastern Region: A Quick Identification Guide for All Birders | 978-0-7627-3741-3 (0-7627-3741-7) | 2006 | John Bull · Gerald Gold |
| The Easy Bird Guide: Western Region: A Quick Identification Guide for All Birders | 978-0-7627-3742-0 (0-7627-3742-5) | 2006 | James Coe |
E.B. · E.H. · Edith Bull · H. B · H BULL