Archive of Science PAN in Cracow

Archive of Science PAN in Cracow

Letter from Stefan Żółkiewski written in 15.03.1968

Postcard from Irena Krońska written in 15.08.1966

Letter to the Committee of the Library of Classics of Philosophy written 26.08.1952

Letter to the Committee of the Library of Classics of Philosophy written 04.11.1952

Letter to the Head Management of the PWN written in 29.12.1967 (via Irena Krońska)

Letter from Irena Krońska written in 12.06.1946

Letter from Hanna Malewska written n/d

Letter from Irena Krońska written in 24.07.1954

Letter from Irena Krońska written in 21.02.1955

Letter to Stefan Żółkiewski written in 21.10.1966

Letter to the Committee of the Library of Classics of Philosophy written 08.02.1951

Letter to the Polish Academy of Science written 15.09.1964