Philosophical Society

Philosophical Society

Letter to Kazimierz Twardowski written 20.03.1925

Letter from Kazimierz Ajdukiewicz written 14.06.1925

Letter from Irena Sławińska written 19/12/1954

Letter to Kazimierz Twardowski written 23.07.1935

Letter from Mieczysław Wallis written 13.03.1936

Letter from Hans Cornelius written 14.11.1937

Letter from Stefan Szuman written 06.03.1939

Letter to Kazimierz Twardowski written 29.03.1923

Letter to Kazimierz Twardowski written 15.02.1928

Letter to Władysław Tatarkiewicz written 17.11.1954

Letter from Maria Turowicz written 01.11.1967

Postcard from Stefan Szuman written 22.10.1937