Columbia subject headings:
Constitutional history--Mexico--Zacatecas (State)--Sources.
Zacatecas (Mexico : State)--History--19th century.
Zacatecas (Mexico : State)--Politics and government--19th century.
Harvard subject headings:
Princeton subject headings:
Constitutional history--Mexico--Zacatecas (State)--Sources.
Session laws--Mexico--Zacatecas (State).