Joined Libraries WFiS UW, IFiS PAN and PTF

Joined Libraries WFiS UW, IFiS PAN and PTF

Letter to Kazimierz Twardowski written 14.12.1934

Letter to Mieczysław Wallis written 05.02.1966

Letter to Kazimierz Twardowski written 30.03.1920

Postcard to Kazimierz Twardowski written 11.06.1917

Postcard to Kazimierz Twardowski written 07.02.1925

Postcard to Kazimierz Twardowski written 05.09.1934

Letter to Kazimierz Twardowski written 01.01.1924

Letter to Mieczysław Wallis written 03.08.1963

Letter to Kazimierz Twardowski written 22.10.1921

Letter to Kazimierz Twardowski written 25.03.1924

Letter to Kazimierz Twardowski written 28.02.1936

Letter to Kazimierz Twardowski written 06.04.1920