@book{69881,
	author = {Educational Testing Service. and Hemphill, John K. and National Association of Secondary School Principals.},
	title = {Report of the senior high-school principalship},
	year = {1965},
	series = {The Study of the secondary school principalship,},
	address = {Princeton N.J.},
	note = {Study conducted by the Educational Testing Service under contract with the Committee on the Study of the Secondary-School Principalship of the National Association of Secondary-School Principals.}
}