PAN

PAN

Letter from Stefan Żółkiewski written in 13.12.1966

Letter to Władysław Tatarkiewicz written 10.06.1952

Letter from Stefan Żółkiewski written in 07.07.1967

Letter to Władysław Tatarkiewicz written 09.12.1954

Letter to Irena Krońska written in 22.03.1954

Letter to the Polish Academy of Science written 22.04.1965

Letter from Henryk Markiewicz written 15.07.1963

Letter from Stefan Morawski written 03.06.1964

Letter from Stefan Żółkiewski written in 12.02.1966

Letter from Kazimierz Ajdukiewicz written 12.03.1956

Letter to Władysław Tatarkiewicz written 18.05.1956

Letter to the Polish Academy of Science written 22.12.1965