@book{19407,
	author = {Updegraff, Harlan, and Hood, William Ross, 1874-},
	title = {A comparison of urban and rural common-school statistics,},
	publisher = {Govt. Print. Off.,},
	year = {1912.},
	series = {United States. Bureau of education. Bulletin, 1912,},
	address = {Washington,}
}