Polish researchers

Polish researchers

Letter from Tadeusz Czeżowski written 08.12.1967

Letter from Stanisław Ignacy Witkiewicz written 23.03.1938

Letter from Stanisław Ignacy Witkiewicz written 27.01.1936

Letter from Tadeusz Czeżowski written 31.03.1958

Letter from Kazimierz Ajdukiewicz written 24.10.1923

Letter from Kazimierz Ajdukiewicz written 05.04.1918

Letter from Kazimierz Twardowski written 19.05.1924

Letter from Tadeusz Czeżowski written 14.10.1954

Postcard from Władysław Tatarkiewicz written 07.06.1933

Letter from Kazimierz Twardowski written 17.05.1925

Letter from Kazimierz Twardowski written 06.02.1923

Letter to Irena Sławińska written 24.04.1950