PAN

PAN

Letter to Henryk Elzenberg written 03.03.1964

Letter to the Polish Academy of Science written 15.09.1964

Letter from Henryk Jabłoński written 27.07.1963

Letter to Stefan Żółkiewski written in 21.10.1966

Letter to Władysław Tatarkiewicz written 28.04.1970

Letter to Tadeusz Kotarbiński written 22.11.1948

Letter from Tadeusz Kotarbiński written 04.03.1961

Letter to Stefan Żółkiewski written in 07.05.1964

Letter to the Polish Academy of Science written 01.07.1963

Letter to Władysław Tatarkiewicz written 18.06.1960

Letter from Roman Suszko written 15.02.1965

Letter to Władysław Tatarkiewicz written 20.01.1964