Polish Academy of Sciences

Polish Academy of Sciences

Letter from Stefan Żółkiewski written in 10.01.1964

Letter to Władysław Tatarkiewicz written 10.06.1952

Protocol from the meeting of the PPS Board 12.05.1957

Letter from Stefan Żółkiewski written in 03.01.1961

Letter from Stefan Żółkiewski written in 17.01.1966

Letter from Tadeusz Czeżowski written 12.10.1954

Certificate from Irena Krońska written in 10.06.1955

Letter from Stefan Żółkiewski written in 13.12.1966

Letter from Władysław Tatarkiewicz written 05.07.1966

Letter to Władysław Tatarkiewicz written 18.05.1956

Letter from Tadeusz Czeżowski written 5/29/1946

Letter from Stefan Żółkiewski written in 20.01.1966