Columbia subject headings:
Harvard subject headings:
U.S. Customs Service--Appropriations and expenditures.
United States International Trade Commission--Appropriations and expenditures.
United States. Office of the U.S. Trade Representative--Appropriations and expenditures.
Princeton subject headings:
U.S. Customs Service--Appropriations and expenditures.
United States International Trade Commission--Appropriations and expenditures.
United States. Office of the U.S. Trade Representative--Appropriations and expenditures.