Polish Philosophical Society

Polish Philosophical Society

Letter to Kazimierz Twardowski written 20.03.1925

Letter to Władysław Tatarkiewicz written 05.01.1960

Letter from Tadeusz Czeżowski written 08.12.1967

Letter to Kazimierz Twardowski written 16.08.1929

Letter from Zofia Lissa written 27.11.1947

Letter from Kazimierz Twardowski written 11.02.1928

Letter to Tadeusz Kotarbiński written 17.07.1948

Letter from Tadeusz Czeżowski written 09.09.1947

Letter from Tadeusz Kotarbiński written 21.03.1968

Letter to Władysław Tatarkiewicz written 23.03.1953

Letter from Stanisław Ignacy Witkiewicz written 05.01.1939

Letter from Tadeusz Kotarbiński written 05.10.1957