@book{34219,
	author = {Warmke, Roman F.},
	title = {Supervision to improve instruction in distributive education.},
	publisher = {U.S. Dept. of Health, Education, and Welfare, Office of Education},
	year = {[1959]},
	series = {[U.S. Office of Education.  Division of Vocational Education] Vocational Division bulletin},
	address = {[Washington]},
	note = {Bound with Vocational Division bulletin no. 277-no. 286 subsequent to publication.}
}