Polish researchers

Polish researchers

Postcard from Kazimierz Ajdukiewicz written 18.12.1922

Letter to Władysław Tatarkiewicz written 10.05.1963

Letter from Władysław Tatarkiewicz written 29.07.1966

Letter to Władysław Tatarkiewicz written 21.09.1960

Letter to Kazimierz Twardowski written 15.02.1928

Letter from Stefan Szuman written 26.04.1939

Letter from Władysław Witwicki written 28.12.1928

Letter to Tadeusz Kotarbiński written 08.03.1949

Postcard from Wacław Borowy written 24.08.1922

Letter from Władysław Witwicki written 16.05.1925

Letter to Daniela Gromska written 24.05.1960

Postcard from Stanisław Ignacy Witkiewicz written 21.04.1938