habilitation issue

habilitation issue

Letter to Kazimierz Twardowski written 18.02.1923

Letter to Kazimierz Twardowski written 27.03.1925

Letter to Kazimierz Twardowski written 29.03.1923

Letter to Kazimierz Twardowski written 22.02.1925

Letter to Kazimierz Twardowski written 27.01.1923

Letter to Kazimierz Twardowski written 19.12.1924

Letter to Kazimierz Twardowski written 28.02.1924