Joined Libraries WFiS UW, IFiS PAN and PTF

Joined Libraries WFiS UW, IFiS PAN and PTF

Letter to Kazimierz Twardowski written 07.10.1927

Letter to Kazimierz Twardowski written 27.05.1924

Letter to Kazimierz Twardowski written 30.08.1922

Letter to Kazimierz Twardowski written 21.02.1926

Letter to Kazimierz Twardowski written 14.06.1924

Postcard to Kazimierz Twardowski written 06.08.1934

Letter to Kazimierz Twardowski written 25.03.1924

Postcard to Kazimierz Twardowski written 28.07.1933

Letter to Kazimierz Twardowski written 14.01.1925

Letter to Kazimierz Twardowski written 15.05.1924

Letter to Kazimierz Twardowski written 04.03.1917

Postcard to Kazimierz Twardowski written 05.09.1934