@book{194159,
	author = {Smith, Elwood F. and Ryan, Louis A.},
	title = {Preface to happiness},
	publisher = {Benziger},
	year = {1950.},
	series = {A guidebook to the Summa},
	address = {New York},
	note = {"Corresponding to the Summa Theologiae, I-II."}
}