Columbia subject headings:
Unemployed--United States--Statistics--Periodicals.
Unemployment insurance--United States--Statistics--Periodicals.
Harvard subject headings:
Unemployed--United States--Statistics--Periodicals.
Unemployment insurance--United States--Statistics--Periodicals.
Princeton subject headings:
Unemployed--United States--Statistics--Periodicals.
Unemployment insurance--United States--Statistics--Periodicals.