theory of cognition

theory of cognition

Habilitation resolution written 12.02.1925

Letter from Stanisław Ignacy Witkiewicz written 23.10.1936

Letter to Władysław Tatarkiewicz written 19.07.1969

Letter to Kazimierz Twardowski written 11.06.1919

Letter from Władysław Witwicki written 26.04.1939

Letter from Stanisław Ignacy Witkiewicz written 16.09.1935

Letter from Tadeusz Kotarbiński written 08.08.1922

Letter to Kazimierz Twardowski written 03.08.1924

Letter to Kazimierz Twardowski written 02.06.1917

Letter from Władysław Witwicki written 04.01.1929

Letter to Kazimierz Twardowski written 04.03.1917

Letter to Kazimierz Twardowski written 22.06.1917