General study of Sri Lanka - covers historical and geographical aspects, ethnic groups, demographic aspects and social structures, family and kinship, living conditions, education, religion, cultural factors, the government, political leadership, international relations, the economic structure, agriculture, the industrial structure, labour force, trade, financing, the administration of justice, etc. Bibliography pp. 473 to 501, maps and statistical tables.

General study of Cambodia - covers historical and geographical aspects, demographic aspects and social structures, living conditions, education, religion, political aspects, the system of government, foreign policy, mass medias, the economic structure, agriculture, industry, labour relations, economic policy, the national budget, financing, trade, defence policy, the armed forces, etc., and includes a glossary. Bibliographys, maps and statistical tables.

First multi-year cumulation covers six years: 1965-70.