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(en-US) Pat McKissack, The Civil Rights Movement in America: from 1865 to the present, Childrens Press, , 355p. (lire en ligne), p.63
(en-US) Richard Ellis & Aaron Wildavsky, «A Cultural Analysis of the Role of Abolitionists in the Coming of the Civil War», Comparative Studies in Society and History, Vol. 32, No. 1, , p.89-116 (28 pages) (lire en ligne)
(en-US) Roy F. Nichols, «1461-1861: The American Civil War in Perspective», The Journal of Southern History, Vol. 16, No. 2, , p.143-160 (18 pages) (lire en ligne)
(en-US) Stanley J. Folmsbee, «The Origin of the First "Jim Crow" Law», The Journal of Southern History, Vol. 15, No. 2, , p.235-247 (13 pages) (lire en ligne)