@book{34689,
	author = {National Association of State Directors of Teacher Education and Certification. and Armstrong, W. Earl},
	title = {Proposed standards for State approval of teacher education.},
	publisher = {U.S. Dept. of Health, Education, and Welfare, Office of Education},
	year = {[1967]},
	address = {[Washington]},
	note = {A revision of the Office of Education's 1952 Circular no. 351: Proposed minimum standards for state approval of teacher preparing institutions, edited by W. Earl Armstrong.}
}