Philosophical Society

Philosophical Society

Letter to Kazimierz Twardowski written 29.03.1923

Letter from Irena Sławińska written 19/12/1954

Letter to Władysław Tatarkiewicz written 17.11.1954

Letter from Władysław Witwicki written 26.04.1939

Postcard from Kazimierz Twardowski written 19.10.1920

Letter from Ludwig Landgrebe written 02.06.1936

Letter from Stefan Szuman written 06.03.1939

Postcard from Stefan Szuman written 22.10.1937

Letter from Hans Cornelius written 14.11.1937

Letter to Kazimierz Twardowski written 02.06.1917

Letter from Kazimierz Ajdukiewicz written 18.04.1925

Letter from Władysław Witwicki written 11.04.1938