- Africa--Economic conditions--1960- (1)
- Africa--Social conditions--1960- (1)
- Agriculture--Developing countries--Case studies (1)
- Industry and state--Latin America--Case studies (1)
- Land reform--Latin America--Case studies (1)
- Migration, Internal--Latin America--Case studies (1)
- Rural development--Case studies (1)
- Urbanization--Latin America--Case studies (1)