R. F. · Rob Ferguson · Ruby Ferguson
McDonald and Woodward Publishing Company · University of Texas Press
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Purple Martin | 978-0-292-71615-5 (0-292-71615-X) | 2002 | Robin Doughty |
| The Purple Martin: How Citizen Scientists and Colony Landlords Are Saving a Favorite American Bird | 978-1-935778-32-5 (1-935778-32-3) | 2016 | " |