Archive of Science PAN in Cracow

Archive of Science PAN in Cracow

Letter from Stefan Żółkiewski written in 07.07.1967

Letter to Stefan Żółkiewski written in 21.10.1966

Letter from Irena Krońska written in 27.05.1967

Letter from Anna Teresa Tymieniecka written 09.02.1969

Letter to Henryk Mehlberg written in 20.02.1948

Letter to the National Scientific Publishers written 10.12.1954

Letter to the Polish Academy of Science written 11.03.1965

Letter from Stefan Żółkiewski written in 05.04.1968

Postcard from Irena Krońska written in 24.02.1946

Letter to Irena Krońska written in 19.01.1955

Letter to the Polish Academy of Science written 10.02.1966

Letter to the Committee of the Library of Classics of Philosophy written 01.04.1955