Archive of Science PAN in Cracow

Archive of Science PAN in Cracow

Letter from Stefan Żółkiewski written in 07.07.1967

Letter from Irena Krońska written in 05.06.1947

Letter from Stefan Żółkiewski written in 17.01.1966

Letter from Stanisław Wędkiewicz written 28.05.1948

Letter to the Polish Academy of Science written 24.09.1969

Letter from Irena Krońska written in 16.01.1968

Letter from Stanisław Ossowski written 16.02.1962

Letter from Irena Krońska written in 01.07.1966

Letter from Anna Teresa Tymieniecka written 21.03.1969

Letter to the Polish Academy of Science written 28.04.1964

Letter to the Committee of the Library of Classics of Philosophy written 03.06.1955

Letter from Irena Krońska written in 23.03.1953