logic

logic

Letter to Kazimierz Ajdukiewicz written 15.03.1956

Letter from Kazimierz Ajdukiewicz written 2/26/1961

Lecture of Roman Ingarden on Husserl’s seminar 26.10.1913

Letter to Władysław Tatarkiewicz written 19.07.1969

Letter from Kazimierz Ajdukiewicz written 2/13/1953

Letter from Hans Cornelius written 14.12.1937

Postcard from Stanisław Ignacy Witkiewicz written 22.04.1937

Postcard from Stanisław Ignacy Witkiewicz written 15.06.1938

Paper by Janina Makota presented 18.06.1956

Letter from Władysław Witwicki written 03.05.1922

Postcard from Stanisław Ignacy Witkiewicz written 29.08.1937

Letter from Stanisław Ignacy Witkiewicz written 05.06.1939