Keehn, D. C. (2013). Knights of the Golden Circle: Secret empire, southern secession, Civil War. Louisiana State University Press.
Lua i Stíl Chicago (17ú heag.)Keehn, David C. Knights of the Golden Circle: Secret Empire, Southern Secession, Civil War. Baton Rouge: Louisiana State University Press, 2013.
Lua MLA (9ú heag.)Keehn, David C. Knights of the Golden Circle: Secret Empire, Southern Secession, Civil War. Louisiana State University Press, 2013.
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