Columbia subject headings:
Elite (Social sciences)--Mexico.
Mexico--Politics and government.
Power (Social sciences)
Harvard subject headings:
Elite (Social sciences)--Mexico.
Mexico--Politics and government--1910-1946.
Mexico--Politics and government--1946-1970
Power (Social sciences)
Princeton subject headings:
Elite (Social sciences)--Mexico.
Mexico--Politics and government.
Power (Social sciences)