| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Opodatkowanie dochodow uzyskiwanych za granica | 978-83-7251-886-6 (83-7251-886-6) | 2008 | |
| The Saga of the Saint-Genois d'Anneaucourt Family: Lords of Jaworze | 978-83-933753-2-5 (83-933753-2-0) | 2011 | Jadwiga Roik |