City planning History 166 Regional planning 150 Cities and towns 127 Urban policy 91 Urbanization 84 Architecture 75 Urban renewal 73 Environmental aspects 72 Social aspects 63 Growth 49 Planning 48 Sustainable development 47 Sociology, Urban 36 Architecture and society 33 Public spaces 33 Social conditions 31 Economic aspects 28 Land use 24 City and town life 23 Urban ecology 23 Case studies 22 Sustainable urban development 22 Buildings, structures, etc 21 Political aspects 20 Technological innovations 20 Architecture, Modern 18 Economic conditions 18 Philosophy 18 Citizen participation 17