Subject(s): Urban ecology (Sociology) -- Cities and towns in Growth. -- Urbanization -- Metropolitan areas -- Urban regions Man Ecology -- Social Construction of Local Communities -- Congruence of Social and Spatial Structure -- Linear Development and systematic Models of the Local Community Compared -- Systemic Bases of Local Community Structure -- Intraurban Form and Structure -- Internal Structure of the City -- Urban Population Densities -- Social areas of the City -- Metropolitan Expansion and Structure Change -- Territorial Sources of Metropolitan Growth -- Patterns and Timing of Suburbanization -- Metropolitan Expansion and Central City Organization -- Impact of Suburban Population Growth in Central and City Service Functions -- Changing Occupation Structure of the Metropolis -- Decentralization and Restructuring of Metropolitan America -- Regional Growth and Urban Systems -- Changing Relationships Between Urban and Regional Growth -- Latent Structure of the American Urban System -- Structural Implications of Increasing System Size -- Comparative Urban Structure and Planned Change -- Role of Planning in Comparative Urban Change -- Social Consequence of Third-World Urbanization -- Urban Hierarchies and Economic Development -- Comparative Urbanization Strategies -- Towards and Ecology of the Future -- Deliberate Change in Ecology Systems