| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The System of Tactical Hapkido The Comprehensive Encyclopedia of Concepts, Theories & Techniques: Master Curriculum | 978-1-7037-1838-6 (1-7037-1838-0) | 2019 | James W Ziots Jr. |
| The System of Tactical Hapkido The Comprehensive Encyclopedia of Concepts, Theories & Techniques: White to High Red Belt Curriculum | 978-1-7307-0950-0 (1-7307-0950-8) | 2018 | " |