Columbia subject headings:
Industrial promotion--Mexico--Congresses.
Investments, Foreign--Law and legislation--Mexico--Congresses.
Investments, Foreign--Taxation--Mexico--Congresses.
Harvard subject headings:
Industrial promotion--Law and legislation--Mexico--Congresses.
Investments, Foreign--Law and legislation--Mexico--Congresses.
Investments, Foreign--Taxation--Law and legislation--Mexico--Congresses.
Princeton subject headings: