Southeast Asia's Chinese Minorities. By Mary F. Somers Heidhues. Hawthorn, Victoria, Australia: Longman, 1974. Pp. 125. Index and Glossary. $6.50, cloth. - Tales of Two City-States: The Development Progress of Hong Kong and Singapore. By Theodore Geiger, assisted by Frances M. Geiger. Washington, D.C.: National Planning Association Studies in Development Progress No. 3, 1973. Pp. xii, 239. Index. $3.50, paper.