Columbia subject headings:
Industrial laws and legislation--United States.
Industrial organization.
Trade associations--United States.
United States--Economic policy.
United States. National Industrial Recovery Act of 1933.
United States. National Industrial Recovery Act, 1933.
Harvard subject headings:
Industrial organization.
Professional associations--United States.
Trade associations--United States.
United States. National Industrial Recovery Act of 1933.
Princeton subject headings:
Industrial organization.
Trade and professional associations--United States.
United States. National Industrial Recovery Act (1933)