@book{20503,
	author = {Deffenbaugh, W. S.},
	title = {Salaries of administrative officers and their assistants in school systems of cities of 25,000 inhabitants or more /},
	publisher = {G.P.O.,},
	year = {1922.},
	series = {Bulletin / Department of the Interior, Bureau of Education ;},
	address = {Washington :},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00214968010}
}