Police History 17 Crime 12 Women 6 Social conditions 5 Parades & processions 4 Pickets 4 more ... African Americans 3 Cities and towns 3 Employment 3 English 3 Political parades & rallies 3 Politics and government 3 Study and teaching 3 Voting 3 Architecture 2 Armories 2 Complaints against 2 Crime and criminals 2 Criminals 2 Dead persons 2 Election 2 Fire engines & equipment 2 Indians of North America 2 Law enforcement 2 Newspaper industry 2 Police ethics 2 Police-community relations 2 Political parties 2 Presidents 2 Riots 2 Safety 2 Strikes 2 Traffic accidents 2 Trucks 2 Urban renewal 2 Vocational education 2 World War, 1939-1945 2 Acts 1 African American police 1 less ...