Under-Developed Countries -- See Developing Countries Countries in the process of change directed toward economic growth, that is, an increase in production, per capita consumption, and income. The process of economic growth involves better utilization of natural and human resources, which results in a change in the social, political, and economic structures.
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Your entry Under, Marie, 1883-1980 would be here
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Undercover operations (Espionage) -- See Espionage
--subdivision Secret service under names of wars, etc., e.g. World War, 1939-1945--Secret service; United States--History--Civil War, 1861-1865--Secret service
Underdeveloped areas -- See Developing countries Here are entered comprehensive works on those countries having relatively low per capita incomes.This heading may be subdivided by those topical subdivisions used under names of regions, countries, etc., e.g. Developing countries--Economic conditions, and may be used as a geographic subdivision under those topics authorized for local subdivision, e.g. Technology--Developing countries.
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Underdeveloped countries -- See Developing countries Here are entered comprehensive works on those countries having relatively low per capita incomes.This heading may be subdivided by those topical subdivisions used under names of regions, countries, etc., e.g. Developing countries--Economic conditions, and may be used as a geographic subdivision under those topics authorized for local subdivision, e.g. Technology--Developing countries.
Underground films -- See Experimental films When subdivided by the appropriate geographic, topical and/or form subdivisions, this heading is used for works about experimental films.
