editorial issues

editorial issues

Letter from Irena Krońska written in 21.02.1955

Letter to Irena Krońska written in 22.03.1954

Letter from Irena Krońska written in 23.03.1953

Letter to the Head Management of the PWN written in 29.12.1967 (via Irena Krońska)

Letter from Irena Krońska written in 11.02.1955