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- Kliewer, Vernon . "Melody: Linear Aspects of Twentieth-Century Music". In Aspects of Twentieth-Century Music, edited by Gary Wittlich, pp. 270–301. Englewood Cliffs, New Jersey: Prentice-Hall. . (en)
- London, Justin . "Rhythm, §II: Historical Studies of Rhythm". The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell. London: Macmillan Publishers. (en)
- Winold, Allen . "Rhythm in Twentieth-Century Music". In Aspects of Twentieth-Century Music, edited by Richard Peter Delone and Gary Wittlich, Englewood Cliffs, New Jersey: Prentice-Hall. . pp. 208-269. (en)
- Tanner, Paul, and Maurice Gerow . A Study of Jazz. Dubuque, Iowa: William C. Brown Publishers. Cited in Robert M. Baker, "A Brief History of the Blues". TheBlueHighway.com. (en)
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