habilitation colloquium

habilitation colloquium

Letter from Kazimierz Twardowski written 16.03.1924

Letter to Kazimierz Twardowski written 29.03.1923

Letter to Kazimierz Twardowski written 10.12.1924

Letter from Kazimierz Twardowski written 05.06.1924

Letter to Władysław Tatarkiewicz written 08.02.1962