psychology

psychology

Letter to Kazimierz Twardowski written 31.10.1919

Letter to Stefan Błachowski written 10.02.1949

Letter from Stanisław Ossowski written 16.02.1962

Letter from Władysław Witwicki written 02.07.1926

Letter from Władysław Witwicki written 09.11.1922

Letter from Władysław Witwicki written 28.09.1928

Letter from Konstanty Michalski written 18.06.1939

Letter from Stefan Szuman written 26.04.1939

Letter from Stefan Szuman written 12.12.1941

Letter from Stefan Szuman written 24.02.1943

Letter from Stefan Szuman written 03.12.1936

Letter from Władysław Witwicki written 10.08.1922