@book{41275,
	author = {National Society for the Study of Education.},
	title = {Fourth report of the committee on economy time in education.},
	publisher = {Public School Pub., Co.},
	year = {1922.},
	series = {In National society for the study of education. 18th Yearbook. Bloomington, Ill., 1922. pt.2},
	address = {Bloomington}
}