C.P. · C Piotr · Piotr Czerwinski
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Historia vademecum cz.2 szk | 978-83-87139-16-2 (83-87139-16-5) | 2010 |
| Pigulka wolności | 978-83-63387-29-7 (83-63387-29-0) | 2012 |
| Vademecum Historia 1 | 978-83-7327-858-5 (83-7327-858-3) | 2010 |