Columbia subject headings:
Harvard subject headings:
Mexico--History--Revolution, 1910-1920.
Protestant churches--Mexico--History--19th century.
Protestant churches--Mexico--History--20th century.
Protestantism--Societies, etc.--History--19th century.
Protestantism--Societies, etc.--History--20th century.
Revolutions--Mexico--Societies, etc.--History--19th century.
Revolutions--Mexico--Societies, etc.--History--20th century.
Princeton subject headings:
Mexico--Church history--19th century.
Mexico--Church history--20th century.
Protestant churches--Mexico--History--19th century.
Protestant churches--Mexico--History--20th century.
Revolutions--Mexico--History--19th century,.
Revolutions--Mexico--History--20th century.