Cornell University Library · Nabu Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Birds of a Maryland Farm: A Local Study of Economic Ornithology | 978-1-4297-9761-0 (1-4297-9761-4) | 2009 |
| The Relation of Sparrows to Agriculture | 978-1-143-40548-8 (1-143-40548-X) | 2010 |