habilitation

habilitation

Letter to Kazimierz Twardowski written 27.01.1923

Letter to Henryk Skolimowski written 06.11.1967

Letter to Kazimierz Twardowski written 28.03.1922

Letter to Kazimierz Twardowski written 19.03.1924

Letter to Władysław Tatarkiewicz written 20.05.1961

Letter to Mieczysław Wallis written 17.01.1962

Letter to Kazimierz Twardowski written 15.05.1924

Habilitation resolution written 12.02.1925

Letter to Kazimierz Twardowski written 14.01.1925

Letter to Kazimierz Twardowski written 28.02.1924

Letter from Kazimierz Twardowski written 10.02.1924

Letter from Kazimierz Twardowski written 18.02.1925