theory of cognition

theory of cognition

Letter to Władysław Tatarkiewicz written 19.07.1969

Habilitation resolution written 12.02.1925

Letter to Kazimierz Twardowski written 22.06.1917

Lecture of Roman Ingarden on the meeting of Lviv Scientific Society 15.06.1939

Letter from Tadeusz Kotarbiński written 08.08.1922

Letter from Władysław Witwicki written 21.01.1927

Letter from Władysław Witwicki written 04.01.1929