G. K. · G. Knudson · George K.
Kirsh & Baum Pub · McClelland & Stewart
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Natural Golf Swing | 978-0-7710-4532-5 (0-7710-4532-8) | 1988 | Lorne Rubenstein |
| The Natural Golf Swing | 978-0-7710-4534-9 (0-7710-4534-4) | 1989 | " |
| The Natural Golf Swing | 978-1-881108-00-9 (1-881108-00-7) | 1988 | " |