Boman, D. K. (2006). Lincoln's resolute unionist: Hamilton Gamble, Dred Scott dissenter and Missouri's Civil War governor. Louisiana University Press.
Citace podle Chicago (17th ed.)Boman, Dennis K. Lincoln's Resolute Unionist: Hamilton Gamble, Dred Scott Dissenter and Missouri's Civil War Governor. Baton Rouge: Louisiana University Press, 2006.
Citace podle MLA (9th ed.)Boman, Dennis K. Lincoln's Resolute Unionist: Hamilton Gamble, Dred Scott Dissenter and Missouri's Civil War Governor. Louisiana University Press, 2006.
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