Other
Economic conditions
History
Social conditions
Politics and government
3
African Americans
2
Race relations
2
African American criminals
1
African American women
1
Businesspeople
1
Causes
1
Emigration and immigration
1
Employment
1
Machinery industry
1
Migrations
1
Philadelphia (Pa.)
1
Political aspects
1
Political culture
1
Poor
1
Poor women
1
Population
1
Poverty
1
Public welfare
1
Puerto Ricans
1
Puerto Rico
1
Republicanism
1
Social aspects
1
Social classes
1
Urban policy
1
Violence
1