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Brodhead, Thomas M. American Music 1994
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Feder, Stuart 1983
Feder, Stuart. "Charles Ives and the Unanswered Question.” In The Psychoanalytic Study of Society edited by Werner Munsterberger, L. Bryce Boyer, and Simon A. Grolnick, 321-351. Volume 10 of The Psychoanalytic Study of Society. Hillsdale, NJ: The Analytic Press, 1983.