Columbia subject headings:
Human capital--United States--Congresses.
Labor supply--United States--Congresses.
Minimum wage--United States--Congresses.
Harvard subject headings:
Human capital--United States--Congresses.
Labor supply--United States--Congresses.
Minimum wage--United States--Congresses.
Princeton subject headings:
Human capital--United States--Congresses.
Labor supply--United States--Congresses.
Minimum wage--United States--Congresses.