Cornell University Library · Nabu Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Guide to the Systematic Use of the North American Bird and Nature Study: A Manual and Reference | 978-1-142-22046-4 (1-142-22046-X) | 2010 |
| Guide to the Systematic Use of the North American Bird and Nature Study: A Manual and Reference | 978-1-112-47079-0 (1-112-47079-4) | 2009 |
B.S. · H. B · H.S. · Harold B. · Harold Brough