PAN

PAN

Letter to Władysław Tatarkiewicz written 11.06.1956

Letter from Stefan Żółkiewski written in 03.02.1966

Letter to Tadeusz Kotarbiński written 22.11.1948

Letter to Stefan Morawski written 23.06.1967

Letter to Władysław Tatarkiewicz written 02.03.1963

Invitation to scientific discussion written n/d

Letter to Stefan Żółkiewski written in 21.10.1966

Letter to the Polish Academy of Science written 24.09.1969

Letter to Stefan Żółkiewski written in 07.05.1964

Letter from Stefan Morawski written N/D

Letter to the Polish Academy of Science written 22.04.1965

Letter to Władysław Tatarkiewicz written 27.10.1961