G.M. · Magdalena Grzebalkowska
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| 1945 Wojna i pokoj | 978-83-268-2215-5 (83-268-2215-9) | 2015 |
| Ksiadz Paradoks. Biografia Jana Twardowskiego | 978-83-240-3867-1 (83-240-3867-1) | 2015 |
| Ksiądz Paradoks. Biografia Jana Twardowskiego | 978-83-240-1816-1 (83-240-1816-6) | 2011 |