letter

letter

Letter from Władysław Witwicki written 24.03.1936

Letter from Henryk Mehlberg written in 11.06.1947

Letter from Władysław Witwicki written 05.04.1927

Letter to the Polish Academy of Science written 24.09.1969

Letter to Władysław Tatarkiewicz written 08.02.1962

Letter to Kazimierz Twardowski written 13.08.1928

Letter from Manfred Kridl written 9/11/1946