@book{4936,
	author = {Kolchin, Peter. and Foner, Eric},
	title = {American slavery, 1619-1877 /},
	publisher = {Hill and Wang,},
	year = {1993.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/bios/hol054/92046358.html}
}