Case studies Management 111 Social conditions 90 Industrial management 85 Politics and government 57 Economic conditions 56 Marketing 53 Industrial relations 44 History 43 Rural conditions 43 Villages 43 Economic aspects 40 Social aspects 38 Education 36 Industries 36 Economic policy 33 Cities and towns 32 Corporations 32 City planning 30 Finance 30 Economic development 27 International business enterprises 27 Regional planning 27 Accounting 26 Agriculture 26 Families 25 Personnel management 23 Local government 22 Poor 22 Collective bargaining 21