programme

programme

Protocol from the meeting of the PPS Board 12.05.1957

Letter from Stefan Żółkiewski written in 13.12.1966

Letter from Stefan Żółkiewski written in 22.02.1966

Letter to Władysław Tatarkiewicz written 10.07.1957

Letter from Stefan Żółkiewski written in 25.11.1967

Letter from Stefan Żółkiewski written in n.d.

Letter from Stefan Żółkiewski written in 05.04.1968