@book{20515,
	author = {National Committee on Mathematical Requirements.},
	title = {The reorganization of mathematics in secondary education;},
	publisher = {Govt. print. off.,},
	year = {1922.},
	series = {[U.S.] Bureau of education. Bulletin, 1921,},
	address = {Washington,},
	note = {At head of title: Department of the interior.}
}