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Puerto Ricans
Social conditions
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3
Public welfare
3
Social service
3
Conditions sociales
2
Emigration and immigration
2
Ethnic relations
2
Portoricains
2
Aide sociale
1
Communauté
1
Community life
1
Economic conditions
1
Employees
1
Employment
1
Ethnic groups
1
Émigration et immigration
1
Histoire
1
Immigrants
1
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1
Philadelphia (Pa.)
1
Pictorial works
1
Puerto Rico
1
Service social
1
Social life and customs
1
Training of
1