PAN

PAN

Letter to Władysław Tatarkiewicz written 26.10.1965

Letter from Kazimierz Wyka written 14.07.1967

Letter from Stefan Żółkiewski written in n.d.

Letter to Henryk Elzenberg written 03.03.1964

Letter from Stefan Żółkiewski written in 27.11.1965

Letter to Władysław Tatarkiewicz written 29.04.1965

Letter to the Polish Academy of Science written 17.05.1966

Invitation to scientific discussion written n/d

Letter from Kazimierz Ajdukiewicz written 12.03.1956

Letter to Władysław Tatarkiewicz written 27.10.1961

Letter to Władysław Tatarkiewicz written 02.03.1963

Letter from Stefan Żółkiewski written in 13.12.1966