Columbia subject headings:
Industrial policy--United States--Congresses.
Industries--Social aspects--United States--Congresses.
Harvard subject headings:
Industrial organization (Economic theory)--Congresses.
Industrial policy.
Industries--Size
Industries--Size--Congresses.
Industries--Social aspects--United States--Congresses
Princeton subject headings:
Industrial organization (Economic theory)--Congresses.
Industries--Size--Congresses.
Industries--Social aspects--United States--Congresses.