Paul Gerhard · Paul Gerhardt · Paul Gerrard
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Backyard Play Areas You Can Make: Complete Plans and Instructions for Building Playhouses, Forts, and Swing Sets | 978-0-8117-3088-4 (0-8117-3088-3) | 1995 |
| Birdhouses & Feeders You Can Make: Complete Plans and Instructions for Bird-Friendly Nesting and Feeding Sites | 978-0-8117-2679-5 (0-8117-2679-7) | 1999 |