philosophy

philosophy

Letter from Tadeusz Kotarbiński written 24.10.1936

Letter to the Polish Academy of Arts and Sciences written 17.03.1954

Letter to Kazimierz Twardowski written 12.09.1927

Letter to Władysław Tatarkiewicz written 10.06.1952

Letter from Wacław Borowy written 27.03.1939

Contract with the National Scientific Publishers written 10.12.1954

Postcard to Kazimierz Twardowski written 24.08.1936

Letter from Kazimierz Ajdukiewicz written 05.04.1918

Letter to the National Scientific Publishers written n/d

Letter to Kazimierz Twardowski written 29.09.1924

Letter to Kazimierz Twardowski written 02.06.1920

Letter from Jan Maria Bocheński written 28.08.1957