@book{47034,
	author = {Samford, Clarence D. and Cottle, Eugene, Jt. auth.},
	title = {Social studies in the secondary school /},
	publisher = {McGraw-Hill,},
	year = {1952.},
	series = {McGraw-Hill series in education},
	address = {New York :},
	edition = {1st ed.}
}