Archive of Science PAN in Cracow

Archive of Science PAN in Cracow

Letter from Irena Krońska written in 06.05.1954

Letter from Irena Krońska written in 13.12.1954

Letter from Irena Krońska written in 25.04.1966

Letter from Stefan Żółkiewski written in 12.02.1966

Letter from Anna Teresa Tymieniecka written 06.03.1968

Letter from Irena Krońska written in 08.08.1963

Letter from Stefan Żółkiewski written in 27.11.1965

Letter to the Committee of the Library of Classics of Philosophy written 14.05.1954

Letter to the Polish Academy of Science written 07.03.1966

Letter to Stefan Żółkiewski written in 23.12.1965 (a)

Letter to the Polish Academy of Science written 24.04.1969

Letter from Stefan Żółkiewski written in 08.06.1966