PAN

PAN

Letter to the Polish Academy of Science written 28.04.1964

Letter from Kazimierz Ajdukiewicz written 3/12/1956

Letter from Kazimierz Ajdukiewicz written 12.03.1956

Letter to Władysław Tatarkiewicz written 11.06.1956

Letter from Henryk Jabłoński written 27.07.1963

Letter to Henryk Elzenberg written 03.03.1964

Letter from Anna Teresa Tymieniecka written 30.09.1968

Letter from Stefan Żółkiewski written in 19.03.1968

Letter to Władysław Tatarkiewicz written 04.11.1960

Letter from Polish Academy of Science written 21.04.1966

Letter to Władysław Tatarkiewicz written 28.04.1970

Letter to the Polish Academy of Science written 22.04.1965