scientific issues

scientific issues

Letter from Irena Krońska written in 07.08.1947

Letter from Stefan Żółkiewski written in 07.07.1967

Letter from Irena Krońska written in 09.05.1947

Letter from Irena Krońska written in 10.04.1947

Letter from Stefan Żółkiewski written in 04.06.1966

Letter to Irena Krońska written in 24.01.1955

Letter to Irena Krońska written in 08.01.1966

Attachment to Roman Ingarden’s letter written in 21.12.1954

Letter to Irena Krońska written in 12.01.1955

Letter from Irena Krońska written in 06.01.1947

Letter from Irena Krońska written in 18.03.1947

Letter from Irena Krońska written in 12.07.1946