scientific issues

scientific issues

Letter from Stefan Żółkiewski written in 04.06.1966

Letter to Irena Krońska written in 12.01.1955

Postcard from Henryk Mehlberg written in n.d.

Letter from Irena Krońska written in 07.08.1947

Letter from Bogdan Suchodolski written in 15.07.1944

Attachment to Roman Ingarden’s letter written in 21.12.1954

Letter from Irena Krońska written in 09.05.1947