Columbia subject headings:
Mexico--Military policy.
Mexico. Ejército--History.
Sociology, Military--Mexico.
Harvard subject headings:
Civil-military relations--Mexico--History--20th century.
Mexico--Armed Forces--Political activity--History--20th century.
Mexico--Politics and government--1970-1988.
Mexico. Ejército.
Sociology, Military--Mexico--History--20th century.
Princeton subject headings:
Mexico--Military policy.
Mexico. Ejército--History.
Sociology, Military--Mexico.