Guide to Latin American Studies. Ed. By Martin Sable. (Latin American Center, University of California, Los Angeles, 1966. Pp. 850. $125.) - Master Directory for Latin America. Ed. By Martin Sable. (Latin American Center, University of California, Los Angeles, 1966. Pp. 438. $15.) - Periodicals for Latin American Economic Development, Trade and Investment: An Annotated Bibliography. Compiled By Martin Sable. (Latin American Center, University of California, Los Angeles, 1965. $2.50.) - Statistical Abstract of Latin America. 1965 ed. (Latin American Center, University of California, Los Angeles, 1965. $8 to libraries; $6 to students, faculty.)