theory of cognition

theory of cognition

Letter from Tadeusz Kotarbiński written 08.08.1922

Letter from Władysław Witwicki, n/d A

Habilitation resolution written 12.02.1925

Letter from Władysław Witwicki written 26.04.1939

Letter from Władysław Witwicki written 04.01.1929

Letter to Kazimierz Twardowski written 04.03.1917

Letter to Władysław Tatarkiewicz written 19.07.1969