habilitation thesis

habilitation thesis

Letter to Mieczysław Wallis written 22.01.1962

Letter from Mieczysław Wallis written 31.12.1961

Letter from Kazimierz Twardowski written 17.03.1922

Letter from Kazimierz Twardowski written 06.02.1923

Letter from Kazimierz Twardowski written 10.02.1924

Letter from Edmund Husserl written 10.12.1925

Letter to Kazimierz Twardowski written 01.01.1924

Letter from Kazimierz Twardowski written 16.03.1924

Letter from Mieczysław Wallis written 19.01.1962

Letter from Kazimierz Twardowski written 19.07.1923

Letter from Kazimierz Twardowski written 13.08.1922