Columbia subject headings:
Families.
Home economics--Accounting.
Unemployed--Pennsylvania--Philadelphia.
Working class--Pennsylvania--Philadelphia.
Harvard subject headings:
Families--Pennsylvania--Philadelphia.
Families.
Home economics--Accounting
Unemployed--Pennsylvania--Philadelphia
Working class--Pennsylvania--Philadelphia.
Princeton subject headings:
Families.
Home economics--Accounting.
Labor--Pennsylvania--Philadelphia.
Unemployed--Pennsylvania--Philadelphia.