History 222 Social conditions 119 Murder 60 Economic conditions 59 Histoire 54 Police 46 Economic aspects 45 more ... Labor unions 43 Housing 42 Rehabilitation 42 Prisons 41 Social aspects 41 Agricultural laborers 40 Government policy 36 Population 36 Gangs 34 Juvenile delinquents 33 Criminals 32 Employment 32 High technology industries 32 Prisoners 32 Case studies 31 Land use 31 Juvenile delinquency 30 Conditions sociales 28 Politics and government 28 Criminal justice, Administration of 27 Prevention 27 City planning 26 Public welfare 26 less ...