Columbia subject headings:
Cotton manufacture--United States.
Free trade--United States.
Tariff on cotton--United States.
Tariff on wool--United States.
Harvard subject headings:
Cotton manufacture--United States.
Protectionism--United States.
Tariff on cotton--United States.
Tariff on wool--United States.
Wool industry--United States
Princeton subject headings:
Cotton manufacture--United States.
Free trade--United States.
Protectionism--United States.
Tariff on cotton--United States.
Tariff on wool--United States.