When searching in library catalogs for materials related to the history of suburbia, there are a number of terms you can use that address different aspects of the broader subject. Using any one of the following in combination with other subject terms like "United States," "History," "Government Policy," "Law and Legislation," and "20th century" can usually yield good results:
Affirmative action programs
Annexation (Municipal government)
Architecture and society
Architecture, Domestic.
Cities and towns
City planning
Discrimination in housing
Environmentalism
Express highways
Housing
Housing development
Housing policy
Infrastructure (Economics)
Land use
Landscape architecture
Lawns
Metropolitan areas
Real covenants
Real estate development
Sociology, Urban
Suburban African Americans
Suburban homes
Suburban life.
Suburbanites
Suburbs
Urban renewal
Urbanization