PWN

PWN

Letter to Roman Ingarden written 26.03.1963

Letter from Irena Krońska written in 05.04.1966

Letter to the National Scientific Publishers written 31.01.1963

Letter from Tadeusz Czeżowski written 10.10.1957

Letter from Władysław Tatarkiewicz written 30.06.1969

Letter from Irena Krońska written in 16.01.1968

Certificate from Irena Krońska written in 10.06.1955

Letter to Tadeusz Czeżowski written 18.02.1958

Letter from Irena Krońska written in 09.03.1953

Letter from Irena Krońska written in 13.12.1954

Letter to the Committee of the Library of Classics of Philosophy written 12.08.1952

Letter to the Committee of the Library of Classics of Philosophy written 14.05.1954