Race and Class In Latin America. Edited by Magnus Mörner. (New York: Columbia University Press, 1970. Pp. viii, 309. $10.00.) - Catholicism, Social Control, and Modernization in Latin America. By Ivan Vallier. (Englewood Cliffs, N.J.: Prentice-Hall, 1970. Pp. x, 172. $4.95.)