Joined Libraries WFiS UW, IFiS PAN and PTF

Joined Libraries WFiS UW, IFiS PAN and PTF

Letter to Kazimierz Twardowski written 05.10.1923

Letter to Kazimierz Twardowski written 20.02.1922

Letter to Kazimierz Twardowski written 20.04.1932

Postcard to Kazimierz Twardowski written 28.07.1933

Postcard to Kazimierz Twardowski written 02.08.1933

Letter to Mieczysław Wallis written 16.10.1964

Letter to Kazimierz Twardowski written 16.08.1929

Letter to Kazimierz Twardowski written 19.08.1919

Letter to Kazimierz Twardowski written 08.03.1930

Postcard to Kazimierz Twardowski written 19.11.1927

Postcard to Kazimierz Twardowski written 05.09.1934

Letter to Kazimierz Twardowski written 15.02.1928