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Signed by Kazimierz Serocki and Tadeusz Baird proposal, recommending that it is necessary to "initiate immediate efforts" to host the Warsaw Autumn Festival (6 June 1955) (Polish Composers' Union Archive) |
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Signed by Kazimierz Serocki and Tadeusz Baird proposal, recommending that it is necessary to "initiate immediate efforts" to host the Warsaw Autumn Festival (6 June 1955) (Polish Composers' Union Archive) |