Ewen, D. 1. . c. (1937). Composers of yesterday: A biographical and critical guide to the most important composers of the past. The H. W. Wilson company.
Chicago-referens (17:e uppl.)Ewen, David 1907- comp. Composers of Yesterday: A Biographical and Critical Guide to the Most Important Composers of the Past. New York: The H. W. Wilson company, 1937.
MLA-referens (9:e uppl.)Ewen, David 1907- comp. Composers of Yesterday: A Biographical and Critical Guide to the Most Important Composers of the Past. The H. W. Wilson company, 1937.
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