paper on Bergson

paper on Bergson

Letter to Kazimierz Twardowski written 22.11.1922

Letter to Kazimierz Twardowski written 22.10.1921

Letter to Kazimierz Twardowski written 02.06.1917

Letter to Władysław Tatarkiewicz written N/D (b)

Letter to Kazimierz Twardowski written 26.10.1919