Kinship, Descent and Alliance among the Karo Batak. By Masri Singarimbun. Berkeley: University of California Press, 1975. xxii, 246 pp. Appendixes, References, Index. $14.75Cutlass and Crescent Moon: A Case Study of Social and Political Change in Outer Indonesia. By Douglas Miles. Sydney: University of Sydney Centre for Asian Studies, 1976. xiv, 160 pp. Notes, Bibliography, n.p.l.Harvest of the Palm: Ecological Change in Eastern Indonesia. By James J. Fox. Cambridge: Harvard University Press, 1977. xix, 290 pp. Appendixes, Notes, Bibliography, Index, Illustrations. $15.00