@book{57998,
	author = {Helper, Hinton Rowan and Fredrickson, George M.},
	title = {The impending crisis of the South},
	publisher = {Belknap Press of Harvard University Press},
	year = {1968.},
	series = {The John Harvard library},
	address = {Cambridge, Mass.},
	note = {Reprint of the 1857 ed. with a new introd. by the editor.}
}