science

science

Letter to Władysław Tatarkiewicz written 17.10.1963

Letter from Kazimierz Twardowski written 10.05.1922

Postcard from Stefan Szuman written 13.11.1937

Letter from Stefan Szuman written 09.04.1942

Letter from Stefan Szuman written 02.06.1942

Lecture of Roman Ingarden on Husserl’s seminar 26.10.1913