Polish researchers

Polish researchers

Letter to Tadeusz Kotarbiński written 17.07.1948

Letter from Stefan Szuman written 12.12.1941

Letter from Władysław Witwicki written 12.02.1923

Letter from Konstanty Michalski written 05.01.1944

Letter from Władysław Witwicki written 18.07.1923

Letter from Władysław Tatarkiewicz written 24.08.1967

Postcard from Władysław Tatarkiewicz written 14.02.1949

Letter from Tadeusz Czeżowski written 17.04.1950

Letter from Stanisław Ignacy Witkiewicz written 25.02.1936

Letter to Kazimierz Twardowski written 07.10.1927

Letter from Tadeusz Czeżowski written 17.05.1958

Letter from Stefan Morawski written 03.06.1964