Philosophical Quarterly

Philosophical Quarterly

Letter from Stefan Szuman written 03.12.1936

Letter to Tadeusz Kotarbiński written 12.10.1949

Application for the appointment as professor written 31.05.1932

Letter to Kazimierz Twardowski written 29.09.1924

Letter from Kazimierz Ajdukiewicz written 6/19/1948

Letter from Tadeusz Czeżowski written 12.05.1946

Letter to Władysław Tatarkiewicz written 05.01.1960

Letter to Kazimierz Ajdukiewicz written 6/15/1949

Letter from Henryk Elzenberg written 07.12.1947

Opinions about Ingarden written 15.12.1930

Letter from Kazimierz Twardowski written 08.01.1925

Letter from Stanisław Ignacy Witkiewicz written 30.06.1937