Linguistic Diversity in South Asia: Studies in Regional, Social and Functional Variation. Edited by Charles A. Ferguson and John J. Gumperz. International Journal of American Linguistics, Part III, XXVI, Number 3. July 1960. Bloomington, Indiana: Indiana University Research Center of Anthropology, Folklore, and Linguistics, 1960. Publication 13. viii, 118. $3.50 (paper).