| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| KĹopoty z historiÄ - Gontarczyk Piotr | 978-83-60533-03-1 (83-60533-03-2) | 2019 |
| Najnowsze klopoty z historia | 978-83-7785-153-1 (83-7785-153-9) | |
| Polska Partia Robotnicza Droga do wladzy 1941-1944 | 978-83-64095-02-3 (83-64095-02-1) | 2015 |
Bagieski Witold Gontarczyk Piotr · Cenckiewicz Sawomir Gontarczyk Piotr · G. P. · Gontarczyk Piotr Bagienski Witold · Piotr Gontarczyk
Arwil · Fronda · Zysk i S-ka