Archive of Science PAN in Cracow

Archive of Science PAN in Cracow

Letter to Stefan Żółkiewski written in 05.02.1964

Letter from Stefan Żółkiewski written in 27.11.1965

Letter from Stefan Żółkiewski written in 03.01.1961

Letter to the Polish Academy of Arts and Sciences written 17.03.1954

Letter to the Committee of the Library of Classics of Philosophy written 31.03.1952

Letter from Stefan Żółkiewski written in 01.09.1964

Letter from Irena Krońska written in 08.08.1963

Letter from Jan Maria Bocheński written 24.04.1957

Letter to the Polish Academy of Science written 04.10.1964

Letter from Irena Krońska written in 10.07.1954

Letter from Henryk Mehlberg written in 08.05.1947

Letter from Irena Krońska written in 10.07.1947