PWN

PWN

Letter to the Committee of the Library of Classics of Philosophy written 03.06.1955

Letter from Irena Krońska written in 05.01.1966 (1)

Letter from Irena Krońska written in 06.09.1962

Letter from Irena Krońska written in 08.06.1955

Letter to the National Scientific Publishers written 31.01.1963

Attachment to Irena Krońska’s letter written in 21.09.1968

Letter to Irena Krońska written in 22.08.1963

Letter from Irena Krońska written in 18.06.1962

Postcard from Tadeusz Czeżowski written 13.02.1966

Letter to Roman Ingarden written 29.05.1957

Letter from Irena Krońska written in 07.06.1955 (a)

Letter from Tadeusz Czeżowski written 09.03.1958