Columbia subject headings:
Harvard subject headings:
Guanajuato (Mexico : State)--History--18th century.
Miners--Mexico--Guanajuato (State)--History--18th century.
Mines and mineral resources--Mexico--Guanajuato (State)--History--18th century.
Princeton subject headings:
Miners--Mexico--Guanajuato (State)--History.
Mines and mineral resources--Mexico--Guanajuato (State)--History.