Polish researchers

Polish researchers

Postcard from Stanisław Ignacy Witkiewicz written 09.06.1937

Letter to Władysław Tatarkiewicz written 18.05.1956

Letter to Tadeusz Czeżowski written 17.08.1969

Letter from Henryk Elzenberg written 02.07.1963

Letter to Kazimierz Twardowski written 18.02.1923

Letter to Władysław Tatarkiewicz written 22.10.1957

Letter from Kazimierz Ajdukiewicz written 20.11.1949

Letter to Tadeusz Kotarbiński written 23.03.1953

Letter from Władysław Witwicki written 05.04.1923

Letter from Władysław Witwicki written 12.02.1923

Letter from Tadeusz Czeżowski written 11.11.1949

Letter from Władysław Tatarkiewicz written 24.08.1967