habilitation

habilitation

Letter to Kazimierz Twardowski written 28.11.1924

Letter from Kazimierz Twardowski written 13.05.1924

Letter to Kazimierz Twardowski written 26.05.1924

Letter to Kazimierz Twardowski written 30.04.1919

Letter to Władysław Tatarkiewicz written 26.10.1965

Letter from Władysław Witwicki written 8.04.1925

Letter from Kazimierz Ajdukiewicz written 18.08.1923

Letter to Kazimierz Twardowski written 28.02.1924

Letter from Tadeusz Czeżowski written 11.01.1925

Letter to Władysław Tatarkiewicz written 08.02.1962

Letter to Kazimierz Twardowski written 10.12.1924

Letter from Kazimierz Ajdukiewicz written 18.04.1925