organizational issues

organizational issues

Protocol from the meeting of the PPS Board 12.05.1957

Postcard from Stefan Szuman written 22.10.1937

Letter from Kazimierz Ajdukiewicz written 11/17/1949

Letter from Stefan Żółkiewski written in 09.04.1964

Letter from Tadeusz Kotarbiński written 05.10.1957

Letter from Tadeusz Kotarbiński written 22.01.1937

Letter from Kazimierz Ajdukiewicz written 07.08.1948

Letter from Tadeusz Kotarbiński written 02.12.1967

Postcard from Kazimierz Ajdukiewicz written 10/10/1948

Letter from Kazimierz Ajdukiewicz written 17.11.1949

Letter from Stefan Żółkiewski written in 26.02.1964

Letter from Stefan Żółkiewski written in 10.01.1964