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The swingout evolved from the breakaway, which in turn evolved from the Texas Tommy. The first documented mention of the swingout pattern that resembles breakaway was in 1911, to describe a "Texas Tommy Swing" show done at the Fairmont Hotel in San Francisco. Its variants are used in Jive, East Coast Swing, West Coast Swing and Modern Jive.
- Ralph G. Giordano, Social Dancing in America: A History and Reference, volume 2, Lindy Hop to Hip-Hop, 1901-2000 (Westport, Conn.: Greenwood, 2006).
- Claude Conyers, "Texas Tommy," in The Grove Dictionary of American Music, 2nd ed., edited by Charles Hiroshi Garrett (New York: Oxford University Press, 2013).
- Scott Cupit, Swing Dance: Fashion, Music, Culture, and Key Moves (London: Jacqui Small, 2015).