archive

archive

Letter to the Polish Academy of Science written 31.03.1965

Letter to the Committee of the Library of Classics of Philosophy written 18.07.1951

Letter from Tadeusz Czeżowski written 10.10.1957

Letter to Władysław Tatarkiewicz written 02.09.1949

Letter from Tadeusz Kotarbiński written 29.09.1926

Letter from Kazimierz Twardowski written 17.05.1925

Letter from Henryk Mehlberg written in 20.04.1947

Postcard from Kazimierz Ajdukiewicz written 04.08.1925

Postcard from Stanisław Ignacy Witkiewicz written 08.04.1936

Letter from Stefan Morawski written 03.06.1964

Letter from Kazimierz Twardowski written 10.02.1924

Letter to Henryk Markiewicz written 16.03.1964