Adam Próchnik (Q232092)
(1892-1942) Historian (modern and recent history), political activist, pseudonym: Henryk Swoboda, Roman III, Roman Halny, Artur.
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Adam Próchnik |
(1892-1942) Historian (modern and recent history), political activist, pseudonym: Henryk Swoboda, Roman III, Roman Halny, Artur. |