Philosophical Society

Philosophical Society

Letter to Kazimierz Twardowski written 02.06.1917

Letter to Kazimierz Twardowski written 20.03.1925

Letter from Hans Cornelius written 14.11.1937

Letter to Kazimierz Twardowski written 15.02.1928

Letter to Mieczysław Wallis written 16.10.1964

Letter from Irena Sławińska written 19/12/1954

Letter from Maria Turowicz written 01.11.1967

Postcard from Kazimierz Twardowski written 19.10.1920

Postcard from Stefan Szuman written 22.10.1937

Letter to Kazimierz Twardowski written 29.03.1923

Letter from Ludwig Landgrebe written 02.06.1936

Letter to Władysław Tatarkiewicz written 17.11.1954