@book{9965,
	author = {Edwards, Everett Eugene,},
	title = {References on the significance of the frontier in American history.},
	year = {[1939]},
	series = {U. S. Dept. of agriculture. Library. Bibliographical contributions no. 25 (Edition 2))},
	address = {Washington},
	note = {Mimeographed.}
}