Archive of Science PAN in Cracow

Archive of Science PAN in Cracow

Letter to Irena Krońska written in 07.04.1955

Letter from Lucyna Majzner written 01.04.1965

Letter from Irena Krońska written in 04.04.1953

Letter from Anna Teresa Tymieniecka written 26.02.1969

Letter from Stefan Żółkiewski written in 27.10.1966

Letter to the Committee of the Library of Classics of Philosophy written 06.11.1951

Letter from Stefan Żółkiewski written 14.04.1965

Letter to the Polish Academy of Science written 22.12.1965

Letter from Irena Krońska written in 06.08.1966

Letter from Irena Krońska written in 13.07.1954

Letter from Stefan Żółkiewski written in 09.04.1964

Letter to Stefan Żółkiewski written in 23.12.1965 (a)