Columbia subject headings:
Campeche (Mexico : State)--Economic conditions--19th century.
Campeche (Mexico : State)--Economic conditions--20th century.
Campeche (Mexico : State)--History--19th century.
Campeche (Mexico : State)--History--20th century.
Candelaria (Campeche, Mexico)--History.
Land settlement--Mexico--Candelaria (Campeche)--History.
Land tenure--Mexico--Candelaria (Campeche)--History.
Harvard subject headings:
Candelaria (Campeche, Mexico)--History.
Land settlement--Mexico--Candelaria (Campeche)--History.
Land tenure--Mexico--Candelaria (Campeche)--History.
Princeton subject headings: