Opinions of the Admissions Committee - Opinions written by members of the Admissions Committee – Stanisław Wiechowicz, Bolesław Woytowicz and Kazimierz Wiłkomirski – in 1947 (Polish Composers' Union Archive) 

Opinions written by members of the Admissions Committee – Stanisław Wiechowicz, Bolesław Woytowicz and Kazimierz Wiłkomirski – in 1947 (Polish Composers' Union Archive) 
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