Franz Ruppert · R. F. · R Franz · Ruppert Franz und Ekkekart Frieling
Czarna Owca · Green Balloon Publishing
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Symbioza i autonomia | 978-83-7554-319-3 (83-7554-319-5) | 2012 |
| Trauma, Bonding and Family Constellations: Healing Injuries of the Soul | 978-0-9559683-0-3 (0-9559683-0-5) | 2008 |