habilitation thesis

habilitation thesis

Letter from Kazimierz Twardowski written 10.05.1922

Letter from Kazimierz Twardowski written 11.08.1923

Postcard from Stefan Morawski written 16.07.1966

Letter to Kazimierz Twardowski written 01.01.1924

Letter from Kazimierz Twardowski written 13.05.1924

Letter to Kazimierz Twardowski written 01.04.1925

Letter to Mieczysław Wallis written 22.01.1962

Letter from Mieczysław Wallis written 31.12.1961

Letter from Kazimierz Twardowski written 16.03.1924

Letter to Kazimierz Twardowski written 05.08.1923

Letter to Kazimierz Twardowski written 02.05.1922

Letter to Kazimierz Twardowski written 28.03.1922