Columbia subject headings:
Guanajuato (Mexico : State)--History.
Guanajuato (Mexico : State)--Politics and government.
Mexico--History--20th century.
Mexico--Politics and government--20th century.
Harvard subject headings:
Guanajuato (Mexico : State)--History.
Mexico--History--Revolution, 1910-1920.
Princeton subject headings:
Guanajuato (Mexico : State)--History.
Mexico--History--Revolution, 1910-1920.