Philosophical Quarterly

Philosophical Quarterly

Opinions about Ingarden written 15.12.1930

Letter to Tadeusz Kotarbiński written 12.10.1949

Application for the appointment as professor written 31.05.1932

Letter from Henryk Elzenberg written 07.12.1947

Letter from Tadeusz Czeżowski written 12.05.1946

Letter to Tadeusz Kotarbiński written 22.11.1948

Letter to the Polish Academy of Arts and Sciences written 17.03.1954

Letter from Kazimierz Ajdukiewicz written 6/19/1948

Biography of Konstanty Michalski from N/D c

Letter from Stanisław Ignacy Witkiewicz written 30.06.1937

Letter to Kazimierz Ajdukiewicz written 15.06.1949

Letter to Kazimierz Ajdukiewicz written 6/15/1949