World population: status report 1974. A guide for the concerned citizen.
D000349:Africa; D001208:Asia; D001723:Birth Rate; D003270:Contraceptive Agents; D003273:Contraceptive Devices; D003710:Demography; D003906:Developing Countries; D005060:Europe; D005193:Family Planning Services; D005298:Fertility; D006801:Humans; D009026:Mortality; D009656:North America; D011155:Population Control; D011156:Population Density; D011158:Population Growth; D013020:South America; D013223:Statistics as Topic; D014505:Urban Population
D003270:Contraceptive Agents