scientific issues

scientific issues

Letter from Irena Krońska written in 09.05.1947

Letter from Irena Krońska written in 31.03.1947

Letter from Irena Krońska written in 10.04.1947

Letter from Stefan Żółkiewski written in 04.06.1966

Letter to Irena Krońska written in 08.01.1966

Letter to Irena Krońska written in 24.01.1955

Attachment to Roman Ingarden’s letter written in 21.12.1954