R. H. · René Hildbrand · Ronny Hildebrandt
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| How to Design and Build Children's Play Equipment/05934 | 978-0-89721-075-1 (0-89721-075-1) | 1986 | Jay Beckwith · Craig Bergquist |
| Outdoor Shelter Plans: Overheads, Sheds and Gazebos | 978-0-89721-252-6 (0-89721-252-5) | 1993 | Roger S. Grizzle · Ortho Books · Gretchen Jacobson |