habilitation

habilitation

Letter from Kazimierz Twardowski written 18.02.1925

Letter to Kazimierz Twardowski written 20.07.1922

Letter from Władysław Witwicki written 17.10.1922

Letter from Władysław Witwicki written 03.08.1925

Letter to Kazimierz Twardowski written 28.02.1924

Postcard from Stefan Morawski written 16.07.1966

Letter to Kazimierz Twardowski written 27.01.1923

Copy of approval the resolution of the Faculty Council written 28.02.1925

Letter to Władysław Tatarkiewicz written 18.06.1960

Letter from Władysław Witwicki written 8.04.1925

Letter to Władysław Tatarkiewicz written 15.10.1962

Letter from Władysław Witwicki written 23.12.1924