--headings beginning with the words City; Municipal and Urban
2
-- See Also the narrower term Communities Here are entered works on geographically defined social units within a larger society, served by an aggregate of institutions, economically self-sufficient, and characterized by close contacts and common interests and activities.
3
-- See Also the narrower term Housing Here are entered works on the social and economic aspects of housing. Works on the history and description of human shelters are entered under Dwellings. --subdivision Housing under classes of persons and ethnic groups
4
-- See Also the narrower term Infrastructure (Economics) Here are entered works on the underlying capital of a society embodied in roads and other transportation and communication systems as well as water supplies, electric power, and other public services.
5
-- See Also Land settlement Here are entered general works on occupation of the land. Works on settlement of the land by organized groups of colonists are entered under Agricultural colonies.