@book{121320,
	author = {Howe, Daniel Walker, },
	title = {What hath God wrought :},
	publisher = {Oxford University Press,},
	year = {2007.},
	series = {The Oxford history of the United States},
	address = {New York :},
	url = {http://www.loc.gov/catdir/toc/ecip0714/2007012370.html}
}