1. The earth and mankind. People by the billions Publication: New York : McGraw-Hill Film Text-Films, 1960 Subject(s): Population GrowthFood SupplyLife ExpectancyCommunicable Disease ControlUrbanization
2. The choice is ours Publication: Manila : Family Planning Organization of the Philippines, 1970 Subject(s): Family Planning ServicesPopulation GrowthSocioeconomic FactorsUrbanizationPhilippines
3. Sources of air pollution Publication: [Washington, D.C.] : Department of Health, Education, and Welfare, 1962 Subject(s): Air PollutionAir PollutantsUrbanizationUnited States
