@book{191317,
	author = {Callahan, North.},
	title = {Carl Sandburg :},
	publisher = {Pennsylvania State University Press,},
	year = {c1987.},
	address = {University Park :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1309/86043031-d.html}
}