Gisela Holstein ( Translation )
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Advanced Techniques of Riding: The Official Instruction Handbook of the German National Equestrian Federation | 978-0-939481-03-3 (0-939481-03-0) | 1987 | |
| The Principles of Riding: The Official Handbook of the German National Equestrian Federation | 978-0-939481-18-7 (0-939481-18-9) | 1990 | Deutsche Reiterliche Vereinigung |