Woollen, R. (1960). Triptych for brass choir. Op. 34. C. F. Peters.
Lua i Stíl Chicago (17ú heag.)Woollen, Russell. Triptych for Brass Choir. Op. 34. New York: C. F. Peters, 1960.
Lua MLA (9ú heag.)Woollen, Russell. Triptych for Brass Choir. Op. 34. C. F. Peters, 1960.
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