Wilhelm Mach
Compiled by 2
 | Pisma Wybrane - Tom 1 | Hardback |
 | Pisma Wybrane - Tom 2 | Hardback |
Editor 1
| Pisma Wybrane - Tom 2 | Hardback |
Foreword by 2
| Pisma Wybrane - Tom 1 | Hardback |
| Pisma Wybrane - Tom 2 | Hardback |
General Editor 1
| Pisma Wybrane - Tom 1 | Hardback |