PAN

PAN

Letter to Władysław Tatarkiewicz written 02.03.1963

Letter to the Polish Academy of Science written 10.02.1966

Letter to Anna Teresa Tymieniecka written 21.03.1969

Letter from Stefan Żółkiewski written in 03.02.1966

Letter from Jan Parandowski written 10.11.1965

Letter from Jerzy Rudzki written 13.01.1965

Letter from Kazimierz Wyka written 28.08.1968

Letter to the Polish Academy of Science written 07.03.1966

Letter to the Polish Academy of Science written 10.09.1963

Letter from Polish Academy of Science written 21.04.1966

Letter from Stefan Świeżawski written 10.07.1965

Letter from Stefan Żółkiewski written in 12.02.1966