PAN

PAN

Letter to the Polish Academy of Science written 16.11.1968

Letter to Władysław Tatarkiewicz written 29.04.1965

Letter from Stefan Świeżawski written 10.07.1965

Letter to Władysław Tatarkiewicz written 04.11.1960

Letter to the Polish Academy of Science written 24.09.1969

Letter to Władysław Tatarkiewicz written N/D (b)

Letter to the Polish Academy of Science written 24.10.1963

Letter from Kazimierz Wyka, Bronisław Baczko and Witold Kula written 16.12.1966

Letter to Władysław Tatarkiewicz written 27.10.1961

Letter to the Polish Academy of Science written 11.03.1965

Letter to the Polish Academy of Science written 28.04.1964

Letter to Władysław Tatarkiewicz written 08.12.1966