scientific issues

scientific issues

Letter from Irena Krońska written in 10.07.1947

Letter from Irena Krońska written in 26.05.1969

Letter from Irena Krońska written in 07.08.1947

Letter from Stefan Żółkiewski written in 29.05.1966

Letter to Irena Krońska written in 12.01.1955

Letter from Irena Krońska written in 18.03.1947

Letter from Stefan Żółkiewski written in 07.07.1967

Letter from Irena Krońska written in 31.03.1947

Letter from Stefan Żółkiewski written in 04.06.1966

Letter from Irena Krońska written in 23.09.1946

Letter from Irena Krońska written in 12.07.1946

Attachment to Roman Ingarden’s letter written in 21.12.1954