Columbia subject headings:
Area studies--United States.
Language and languages--Study and teaching--United States.
Harvard subject headings:
Area studies--United States.
International relations
Language and languages--Study and teaching--United States
Languages, Modern--Study and teaching--United States
United States--Foreign relations.
Princeton subject headings:
Area studies--United States.
Language and languages--Study and teaching--United States.
United States--Foreign relations.