G. Williams · Gail Williams O'Brien · Gail Willumsen · Gill Williams
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Hufbalance | 978-3-86127-353-0 (3-86127-353-5) | 2000 | Martin Deacon | |
| No Foot, No Horse: Foot Balance - The Key to Soundness and Performance | 978-1-872119-48-9 (1-872119-48-4) | 2006 | " |