Community development, Urban 9 Urbanization 6 History 5 Social conditions 5 Economic conditions 4 Urban renewal 4 Land use, Urban--Pennsylvania--Philadelphia 3 more ... Periodicals 3 African Americans 2 Cities and towns 2 Growth 2 Housing policy 2 Land Patents--Philadelphia 2 Neighborhoods 2 American essays 1 Anthracite coal 1 Architecture 1 Architecture and youth 1 Arts and society 1 Arts facilities 1 Capitalists and financiers 1 Citizen participation 1 City planning 1 City planning--Pennsylvania--Philadelphia 1 Community gardens 1 Community organization 1 Deindustrialization 1 Economic aspects 1 Education, Elementary 1 Education, Urban 1 Education, Urban--Pennsylvania--Philadelphia 1 Education, Urban--United States--Administration 1 Education--United States--History--20th century 1 Education--United States--Management 1 Families 1 Gentrification 1 High speed ground transportation 1 Housing rehabilitation 1 Industrialization 1 Inner cities 1 less ...