| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Ropes Course Safety Manual: An Instructor's Guide to Initiatives, and Low and High Elements | 978-O-7872-7627-O (O-7872-7627-8) | 1994 |
S. E. · S. E Webster · S W · S Webster · Steven E. · Steven W. · Steven Webster