Philosophical Society

Philosophical Society

Letter from Władysław Witwicki written 11.04.1938

Letter from Władysław Witwicki written 26.04.1939

Letter to Kazimierz Twardowski written 23.07.1935

Letter to Kazimierz Twardowski written 20.03.1925

Letter to Mieczysław Wallis written 16.10.1964

Letter to Kazimierz Twardowski written 15.02.1928

Letter to Kazimierz Twardowski written 21.10.1931

Letter from Irena Sławińska written 19/12/1954

Letter to Władysław Tatarkiewicz written 17.11.1954

Letter from Ludwig Landgrebe written 27.12.1937

Letter to Kazimierz Twardowski written 04.03.1917

Letter from Ludwig Landgrebe written 02.06.1936