@book{21781,
	author = {Kentucky.},
	title = {Problems in the improvement of instruction: a summary of conferences held Nov. 12, 13, 14, 15, 1940.},
	publisher = {Dept. of Education,},
	year = {1941.},
	series = {Its Educational bulletin,},
	address = {Frankfort, Ky.,},
	note = {At head of title: Commonwealth of Kentucky.}
}