Columbia subject headings:
Industrial policy--United States.
Industries--United States.
National Industrial Recovery Act, 1933.
Trade associations--United States.
United States. National Industrial Recovery Act of 1933.
Harvard subject headings:
Industrial policy--United States
Professional associations--United States.
Trade associations--United States.
United States. National Industrial Recovery Act of 1933.
Princeton subject headings:
Industrial policy--United States.
Trade and professional associations--United States.
United States. National Industrial Recovery Act of 1933