Towne, S. E. (2015). Surveillance and spies in the Civil War: Exposing Confederate conspiracies in America's heartland. Ohio University Press.
Chicago-referens (17:e uppl.)Towne, Stephen E. Surveillance and Spies in the Civil War: Exposing Confederate Conspiracies in America's Heartland. Athens: Ohio University Press, 2015.
MLA-referens (9:e uppl.)Towne, Stephen E. Surveillance and Spies in the Civil War: Exposing Confederate Conspiracies in America's Heartland. Ohio University Press, 2015.
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