habilitation

habilitation

Letter from Władysław Witwicki written 10.10.1922

Postcard from Malvine Husserl written 28.03.1921

Letter from Kazimierz Twardowski written 31.12.1927

Letter to Władysław Tatarkiewicz written 15.10.1962

Biography of Konstanty Michalski from N/D c

Letter from Kazimierz Twardowski written 16.03.1924

Letter to Kazimierz Twardowski written 03.09.1926

Letter from Malvine Husserl written 12.12.1920

Letter to Władysław Tatarkiewicz written 03.02.1962

Letter to Kazimierz Twardowski written 26.05.1924