Joined Libraries WFiS UW, IFiS PAN and PTF

Joined Libraries WFiS UW, IFiS PAN and PTF

Letter to Kazimierz Twardowski written 03.06.1932

Letter to Kazimierz Twardowski written 05.09.1924

Letter to Kazimierz Twardowski written 20.04.1932

Letter to Kazimierz Twardowski written 21.02.1926

Letter to Kazimierz Twardowski written 14.02.1924

Letter to Kazimierz Twardowski written 28.11.1924

Letter to Kazimierz Twardowski written 02.05.1933

Letter to Kazimierz Twardowski written 20.03.1925