Polish researchers

Polish researchers

Postcard from Stefan Szuman written 08.06.1943

Letter from Władysław Tatarkiewicz written 30.06.1969

Postcard from Kazimierz Twardowski written 02.09.1922

Letter to Kazimierz Twardowski written 01.04.1925

Letter to Tadeusz Kotarbiński written 29.05.1953

Letter from Tadeusz Kotarbiński written 30.06.1966

Letter from Władysław Witwicki written 15.09.1926

Postcard from Tadeusz Czeżowski written 24.02.1967

Letter from Stefan Szuman written 26.04.1939

Letter from Władysław Witwicki written 23.12.1924

Letter to Zofia Lissa written 08.06.1954

Letter from Anna Teresa Tymieniecka written 18.08.1965