Gerrit Heckman · Gerrit Hoekmann · Gert Hagmann
J.A.Allen & Co Ltd · Trafalgar Square Books · Wu-Wei Verlag
| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Classical Schooling with the Horse in Mind: Gentle Gymnastic Training Techniques | 978-1-57076-374-8 | 2007 | Anja Beran | |
| Finger in der Wunde. Was Reiter wissen müssen, damit ihr Pferd gesund bleibt... | 978-3-930953-20-2 | 2008 | ||
| Tug of War: Classical Versus "Modern" Dressage: Classical Versus "Modern" Dressage | 978-0-85131-950-6 | 2007 | ||
| Tug of War: Classical Versus "Modern" Dressage: Why Classical Training Works and How Incorrect Riding Negatively Affects Horses' Health | 978-1-57076-375-5 | 2007 | ||