scientific issues

scientific issues

Letter from Stefan Żółkiewski written in 07.07.1967

Letter from Irena Krońska written in 26.05.1969

Letter from Stefan Żółkiewski written in 04.06.1966

Postcard from Henryk Mehlberg written in n.d.

Letter from Irena Krońska written in 31.03.1947

Letter from Irena Krońska written in 07.08.1947

Letter from Irena Krońska written in 18.03.1947

Letter to Irena Krońska written in 12.01.1955

Letter from Bogdan Suchodolski written in 15.07.1944

Letter from Irena Krońska written in 23.09.1946

Letter from Irena Krońska written in 10.04.1947

Attachment to Roman Ingarden’s letter written in 21.12.1954