Columbia subject headings:
Commercial treaties.
Favored nation clause.
Reciprocity (Commerce)
Tariff.
United States--Commercial treaties.
Harvard subject headings:
Favored nation clause.
Reciprocity (Commerce)
Tariff.
United States--Commercial treaties.
Princeton subject headings:
Favored nation clause.
Reciprocity (Commerce)
Tariff.
United States--Commercial treaties.