@book{20843,
	author = {Conference of Supervisors of the Southeastern States and Cook, Katherine Margaret O'Brien.},
	title = {Improvement of instruction in rural schools through professional supervision :},
	publisher = {Govt. print. off.,},
	year = {1926.},
	series = {United States. Office of education. Bulletin, 1926 ;},
	address = {Washington :},
	note = {At head of title: Department of the interior. Bureau of education.}
}