@book{59730,
	author = {Davis, David Brion. and ebrary, Inc.},
	title = {Challenging the boundaries of slavery},
	publisher = {Harvard University Press,},
	year = {2003.},
	series = {The Nathan I. Huggins lectures},
	address = {Cambridge, Mass. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10318394}
}