E. J. · J. S. · Jan Szkot Eriugena
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Periphyseon Ksiega 1 | 978-83-89637-76-5 (83-89637-76-6) | 2009 |
| Periphyseon Ksiega 2 | 978-83-61199-14-4 (83-61199-14-4) | 2010 |
| Periphyseon ksiega 4 | 978-83-61199-55-7 (83-61199-55-1) | 2012 |