Columbia subject headings:
Harvard subject headings:
Mexico--History, Local--Encyclopedias.
Mexico--History--Revolution, 1910-1920--Biography--Encyclopedias.
Mexico--History--Revolution, 1910-1920--Encyclopedias.
Revolutionaries--Mexico--Biography--Encyclopedias.
Princeton subject headings:
Mexico--Biography--Dictionaries--Spanish.
Mexico--History--Revolution, 1910-1920--Biography--Dictionaries--Spanish.