@book{21529,
	author = {Gaumnitz, Walter H. and McCabe, Martha R.},
	title = {Good references on supervision of instruction in rural schools ...},
	publisher = {U.S. Govt. Print Off.,},
	year = {1937.},
	series = {U.S. Office of Education. Bibliography},
	address = {Washington,},
	note = {First edition (1931) compiled by Annie Reynolds.}
}