Archive of Science PAN in Cracow

Archive of Science PAN in Cracow

Letter from Irena Krońska written in 22.11.1966

Letter from Stefan Żółkiewski written in 22.02.1966

Letter from Irena Krońska written in 08.08.1963

Letter from Anna Teresa Tymieniecka written 23.03.1949

Letter from Irena Krońska written in 31.03.1947

Letter from Irena Krońska written in 05.09.1947

Letter from Stefan Żółkiewski written in 27.11.1965

Letter to Anna Teresa Tymieniecka written 21.03.1969

Letter to Irena Krońska written in 03.01.1966

Letter to the Polish Academy of Science written 10.02.1966

Letter from Ksawery Piwocki written 11.11.1964

Letter to Stefan Żółkiewski written in 31.05.1967