Knights of the Golden Circle, Secret Empire, Southern Secession, Civil War, LSU Press, David C. Keehn,History of the Americas,History, Confederacy; Confederate Army; secret society; disunion; Order of the Lone Star; filibuster; Texas; fire-eaters; Elkanah Greer; Paul Semmes; Virginius Groner; Lincoln assassination; Copperhead movement; John Wilkes Booth,, Conflicting Worlds: New Dimensions of the American Civil War, United States, en-UShttps://lsupress.orgConfederacy; Confederate Army; secret society; disunion; Order of the Lone Star; filibuster; Texas; fire-eaters; Elkanah Greer; Paul Semmes; Virginius Groner; Lincoln assassination; Copperhead movement; John Wilkes Booth, [BLURB],[CITY],,books, ebooks, biblet, Book2look