PAN

PAN

Letter from Stefan Żółkiewski written in 23.12.1965

Postcard to Władysław Tatarkiewicz written 03.05.1963

Letter from Roman Suszko written 15.02.1965

Letter from Stefan Żółkiewski written 14.04.1965

Letter from Stefan Żółkiewski written in 25.11.1967

Invitation to scientific discussion written n/d

Letter to Władysław Tatarkiewicz written 18.06.1960

Letter from Stefan Żółkiewski written in 26.05.1964

Letter from Stefan Żółkiewski written in 26.02.1964

Letter to Władysław Tatarkiewicz written 04.11.1960

Letter to Irena Krońska written in 22.03.1954

Letter from Polish Academy of Science written 21.04.1966