華爾滋舞步的解析圖,該圖取自於1992年的一本舞蹈指導手冊
出處: Frank, Charles J. (Charles
Julius), ed. "The latest method, home instruction by mail, dancing courses..." Philadelphia,
Pa., The Beacon Academy, 1922. An American Ballroom Companion: Dance
Instruction Manuals, ca. 1490-1920, Library of Congress.
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