@book{4989,
	author = {Levine, Bruce C.,},
	title = {Half slave and half free :},
	publisher = {Hill and Wang,},
	year = {2005 c1992},
	address = {New York :},
	edition = {Rev. ed.},
	note = {"Areas of Freedom and Slavery in 1854" (cover)},
	url = {http://www.loc.gov/catdir/enhancements/fy0618/2004060884-b.html}
}