Columbia subject headings:
Indians of Mexico--Legal status, laws, etc.
Legislation--Mexico.
Mexico. Congreso.
Representative government and representation--Mexico.
Harvard subject headings:
Indians of Mexico--Legal status, laws, etc.
Legislation--Mexico.
Representative government and representation--Mexico
Princeton subject headings:
Indians of Mexico--Legal status, laws, etc.
Legislation--Mexico.
Mexico. Congreso
Representative government and representation--Mexico.