contract

contract

Letter to the National Scientific Publishers written 31.01.1963

Letter from Irena Krońska written in 14.12.1964

Contract with the National Scientific Publishers written 10.12.1954

Letter from Irena Krońska written in 10.07.1954

Letter from Irena Krońska written in 16.07.1954

Letter from Irena Krońska written in 24.07.1954

Letter to Tadeusz Kotarbiński written 29.05.1953

Letter to Roman Ingarden written 22.01.1964

Letter to the Committee of the Library of Classics of Philosophy written 06.11.1951

Postcard from Henryk Elzenberg written 20.04.1964

Letter from Tadeusz Zabłudowski written nd.01.1963

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