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teaching

Letter to Kazimierz Twardowski written 19.05.1925

Letter to Kazimierz Twardowski written 31.10.1919

Letter to Kazimierz Twardowski written 17.09.1922

Letter from Stanisław Ignacy Witkiewicz written 31.03.1939

Letter from Stefan Szuman written 14.10.1943

Letter from Władysław Witwicki written 27.12.1926

Letter to Kazimierz Twardowski written 27.03.1925