philosophy

philosophy

Letter to Kazimierz Twardowski written 17.10.1927

Letter from Anna Teresa Tymieniecka written 23.03.1949

Letter to Kazimierz Ajdukiewicz written 9/22/1949

Letter from Fritz Kaufmann written 13.05.1931

Postcard to Kazimierz Twardowski written 19.11.1927

Postcard to Kazimierz Twardowski written 05.07.1928

Letter from Irena Krońska written in 19.01.1955

Postcard from Tadeusz Czeżowski written 13.11.1948

Letter from Władysław Witwicki written 8.04.1925

Attachment to Irena Krońska’s letter written in 21.09.1968

Postcard from Tadeusz Kotarbiński written 04.03.1924

Letter to the National Scientific Publishers written 10.12.1954