The nihil obstat and imprimatur are official declarations that a book or pamphlet is free of doctrinal or moral error. No implication is contained therein that those who have granted the nihil obstat and the imprimatur agree with the content, opinions, or statements expressed. Copyright 1963 by THE CATHOLIC UNIVERSITY OF AMERICA PRESS, INC. Lithographed by Sauls Lithograph Company, Inc. Washington, D. C. |