doctoral dissertation

doctoral dissertation

Letter from Kazimierz Twardowski written 28.08.1921

Postcard from Stefan Morawski written 12.08.1967

Letter from Fritz Kaufmann written 13.05.1931

Letter to the Polish Academy of Science written 16.11.1968

Letter to Stefan Morawski written 23.06.1967

Letter to Kazimierz Twardowski written 22.10.1921

Letter to Władysław Tatarkiewicz written 24.08.1966

Curriculum vitae written nd.04.1921

Postcard from Stefan Morawski written 26.07.1967

Postcard from Stefan Morawski written 28.06.1967

Letter from Anna Teresa Tymieniecka written 03.02.1949

Letter to Władysław Tatarkiewicz written 20.03.1967