organizational issues

organizational issues

Letter from Stefan Żółkiewski written in 10.01.1964

Letter from Stefan Żółkiewski written in 03.01.1961

Letter from Tadeusz Kotarbiński written 04.03.1961

Letter from Felix Kaufmann written 23.03.1936

Postcard from Stefan Szuman written 22.10.1937

Letter from Kazimierz Ajdukiewicz written 07.08.1948

Letter from Kazimierz Ajdukiewicz written 11/17/1949

Letter to Stefan Żółkiewski written in 05.02.1964

Letter from Stefan Żółkiewski written in 26.02.1964

Postcard from Kazimierz Ajdukiewicz written 10/10/1948

Protocol from the meeting of the PPS Board 12.05.1957

Letter from Tadeusz Kotarbiński written 24.10.1936