C L · C. Leahy · Christopher J. Leahy · Christopher W. Leahy
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Peterson First Guide to Insects of North America | 978-0-395-90664-4 | 1998 | |
| Peterson First Guide to Insects of North America | 978-0-395-35640-1 | 1987 | Richard E. White |
| Peterson First Guide to Wildflowers of Northeastern and North-central North America | 978-0-395-90667-5 | 1998 | Mariner Books · Roger Tory Peterson |
| The Birdwatchers Companion - An Encyclopedic Handbook of North American Birdlife | 978-0-12-440255-3 | 1983 | |
| The Birdwatcher's Companion to North American Birdlife | 978-0-691-09297-3 | 2004 | |
Academic Press · Houghton Mifflin · Princeton University Press