@book{20417,
	author = {Deffenbaugh, W. S.},
	title = {Schools in the bituminous coal regions of the Appalachian Mountains /},
	publisher = {G.P.O.,},
	year = {1920.},
	series = {Bulletin / Department of the Interior, Bureau of Education ;},
	address = {Washington :},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00215022699}
}