@book{21627,
	author = {Koon, Cline Morgan, and American council on education.},
	title = {School use of visual aids;},
	publisher = {U.S. Govt. print. off.,},
	year = {1938]},
	series = {U. S. Office of education. Bulletin, 1938,},
	address = {[Washington,},
	note = {"The survey was made by the Office of education with the cooperation of the American council on education, in 1936." -- Foreword.}
}