Warsaw Review

Warsaw Review

Letter to Kazimierz Twardowski written 28.03.1922

Postcard from Wacław Borowy written 23.12.1921

Habilitation resolution written 12.02.1925

Letter from Kazimierz Twardowski written 25.11.1924

Letter from Władysław Witwicki written 20.10.1922

Letter from Władysław Witwicki written 13.12.1922

Postcard from Wacław Borowy written 26.11.1921

Letter from Wacław Borowy written 14.11.1921

Application for the appointment as professor written 11.02.1931