outgoing correspondence

outgoing correspondence

Letter to Kazimierz Twardowski written 19.05.1919

Letter to Kazimierz Twardowski written 19.08.1919

Letter to the Committee of the Library of Classics of Philosophy written 01.04.1955

Letter to the National Scientific Publishers written 10.12.1954

Letter to Tadeusz Kotarbiński written 23.03.1953

Letter to Kazimierz Ajdukiewicz written 15.03.1956

Letter to Kazimierz Twardowski written 05.10.1923