@book{91901,
	author = {Taylor, George Rogers,},
	title = {The Turner thesis concerning the role of the frontier in American history /},
	publisher = {Heath,},
	year = {1956.},
	series = {Problems in American civilization; readings selected by the Dept. of American Studies, Amherst College},
	address = {Boston :},
	edition = {Rev. ed.}
}