contract

contract

Letter to Roman Ingarden written 22.01.1964

Letter to Tadeusz Kotarbiński written 29.05.1953

Letter to the Committee of the Library of Classics of Philosophy written 09.07.1951

Letter from Tadeusz Zabłudowski written nd.01.1963

Letter to the Committee of the Library of Classics of Philosophy written 18.07.1951

Letter to Irena Krońska written in 23.06.1966

Letter from Irena Krońska written in 24.07.1954

Contract with the National Scientific Publishers written 10.12.1954

Letter to Tadeusz Kotarbiński written 21.07.1951

Letter from Irena Krońska written in 14.12.1964

Letter from Irena Krońska written in 13.07.1954

Postcard from Henryk Elzenberg written 20.04.1964