J.B. · Julius Bark · Julius Boraas · Julius Bourke
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Swing Easy, Hit Hard | 978-91-1-001123-6 (91-1-001123-4) | 1965 |
| Swing Easy, Hit Hard: Tips from a Master of the Classic Golf Swing | 978-1-58080-015-0 (1-58080-015-7) | 2001 |