Columbia subject headings:
Campeche (Mexico : State)--History--Sources.
Campeche (Mexico : State)--History.
Harvard subject headings:
Campeche (Mexico : State)--History--Sources.
Campeche (Mexico : State)--History.
Princeton subject headings:
Campeche (Mexico : State)--History--Sources.
Campeche (Mexico : State)--History.