Columbia subject headings:
Constitutional history--Mexico--History--19th century.
Executive power--Mexico--History--19th century.
Liberalism--Mexico--History--19th century.
Mexico--Politics and government--19th century.
Harvard subject headings:
Constitutional history--Mexico
Executive power--Mexico--History--19th century.
Liberalism--Mexico--History--19th century.
Mexico--Politics and government--19th century
Princeton subject headings:
Constitutional history--Mexico.
Executive power--Mexico--History--19th century.
Liberalism--Mexico--History--19th century.
Mexico--Politics and government--19th century.