Coba jelasin Catatan dari John W. Johnston dong

Johnston, John Warfield, "Reminiscences of Thirteen Years in the Senate", John Warfield Johnston Papers, Special Collections Department, Duke University Library, Durham, North Carolina.

Wallenstein, Peter and Wyatt-Brown, Bertram, eds. (2005) Virginia's Civil War. Charlottesville, Virginia: University of Virginia Press. .

Orang Amerika Serikat keturunan Inggris