Columbia subject headings:
Harvard subject headings:
Automobile industry and trade--United States
Automobile supplies industry--United States.
Clothing trade--United States
Customs administration--United States.
Free trade--Mexico
Free trade--North America
Free trade--United States
North America--Foreign economic relations.
Plant fiber industry--United States.
Public interest--United States.
Textile industry--United States.
Princeton subject headings:
Automobile industry and trade--United States.
Customs administration--United States.
Free trade--Mexico.
Free trade--United States.
Plant fiber industry--United States.
Public interest--United States.
Textile industry--United States.