Tolong jelaskan mengenai Bacaan tambahan dari Quad City Symphony Orchestra

Johnson, James M. The History of the Tri-City Symphony Orchestra of Davenport, Iowa, Rock island and Moline, Illinois. [s.l.: s.n.], 1976.

McDonald, Donald. A History of the Quad-City Symphony Orchestra, Davenport, Iowa: Quad-City Symphony Orchestra Association, 1989.

Svendsen, Marlys. Davenport: A Pictorial History, 1836–1986, Saint Louis, Missouri: G. Bradley Publishing, Inc, 1985.