archive

archive

Letter to Kazimierz Twardowski written 31.10.1919

Letter from Władysław Tatarkiewicz written 12.02.1968

Letter from Tadeusz Kotarbiński written 19.12.1936

Letter from Kazimierz Wyka written 14.07.1967

Letter to the Polish Academy of Science written 01.07.1963

Letter from Irena Sławińska written 11/17/1968

Letter from Władysław Tatarkiewicz written 10.12.1944

Postcard from Stanisław Ignacy Witkiewicz written 06.07.1938

Letter to Henryk Elzenberg written 06.06.1951

Lecture of Roman Ingarden on 14th International Congress of Philosophy 02.09.1968 – 09.09.1968

Letter from Władysław Witwicki written 24.03.1936

Letter to Kazimierz Twardowski written 23.07.1935