Columbia subject headings:
Harvard subject headings:
Guanajuato (Mexico : State)--History--19th century.
Guanajuato (Mexico : State)--History--20th century.
Mexico--History--1867-1910.
Mexico--History--Revolution, 1910-1920.
Mineral industries--Mexico--Guanajuato (State)--Finance--History--19th century.
Mineral industries--Mexico--Guanajuato (State)--Finance--History--20th century.
Mines and mineral resources--Mexico--Guanajuato (State)--History--19th century.
Mines and mineral resources--Mexico--Guanajuato (State)--History--20th century.
Princeton subject headings:
Guanajuato (Mexico : State)--History--19th century.
Guanajuato (Mexico : State)--History--20th century.
Mexico--History--1867-1910.
Mexico--History--Revolution, 1910-1920.
Mineral industries--Mexico--Guanajuato (State)--Finance--History--19th century.
Mineral industries--Mexico--Guanajuato (State)--Finance--History--20th century.
Mines and mineral resources--Mexico--Guanajuato (State)--History--19th century.
Mines and mineral resources--Mexico--Guanajuato (State)--History--20th century.