habilitation

habilitation

Letter to Kazimierz Twardowski written 29.03.1923

Letter from Malvine Husserl written 12.12.1920

Letter to Władysław Tatarkiewicz written 29.03.1961

Biography of Konstanty Michalski from N/D c

Letter from Władysław Witwicki written 17.10.1922

Letter from Mieczysław Wallis written 31.12.1961

Letter to Kazimierz Twardowski written 20.02.1922

Letter to Kazimierz Twardowski written 07.01.1925

Letter from Kazimierz Twardowski written 17.03.1922

Letter from Władysław Witwicki written 03.05.1922

Letter to Kazimierz Twardowski written 19.12.1924

Letter to Kazimierz Twardowski written 20.03.1925