@book{69627,
	author = {Sloyan, Gerard Stephen},
	title = {Christian concepts in social studies in Catholic education.},
	publisher = {Catholic University of America Press},
	year = {1950.},
	address = {Washington},
	edition = {[2d ed.]},
	note = {First ed. issued as thesis, Catholic University of America, under title: The recognition of certain Christian concepts in the social studies in Catholic elementary education.}
}