Columbia subject headings:
Casebooks (Law)
Foreign trade regulation--United States.
Foreign trade regulation.
Income tax--Foreign income.
Income tax--United States--Foreign income.
Investments, Foreign--Law and legislation--United States.
Investments, Foreign--Law and legislation.
Joint ventures--Law and legislation--United States.
Joint ventures--Law and legislation.
Harvard subject headings:
Foreign trade regulation--Mexico--Cases.
Foreign trade regulation--United States--Cases.
Investments, American--Law and legislation--Mexico--Cases.
Investments, Foreign--Law and legislation--United States--Cases.
Princeton subject headings: