Columbia subject headings:
Health insurance--United States--Congresses.
Medical care, Cost of--United States--Congresses.
Working class--Medical care--United States--Congresses.
Harvard subject headings:
Employees--Medical care--United States--Congresses.
Health insurance--United States
Health insurance--United States--Congresses
Industries
Medical care, Cost of--United States
Medical care, Cost of--United States--Congresses
Working class--Medical care--United States.
Princeton subject headings: