habilitation

habilitation

Letter from Władysław Witwicki written 03.05.1922

Letter to Kazimierz Twardowski written 14.01.1925

Letter from Kazimierz Ajdukiewicz written 18.08.1923

Letter to Kazimierz Twardowski written 27.01.1923

Letter to Kazimierz Twardowski written 27.03.1925

Letter to Władysław Tatarkiewicz written 08.02.1962

Letter from Kazimierz Ajdukiewicz written 18.04.1925

Letter from Tadeusz Czeżowski written 11.01.1925

Copy of approval the resolution of the Faculty Council written 28.02.1925

Postcard to Władysław Tatarkiewicz written 03.05.1963