Columbia subject headings:
Mexico--History--1910-1946.
Revolutionaries--Mexico--Biography.
Villa, Pancho, 1878-1923.
Harvard subject headings:
Mexico--History--1910-1946.
Revolutionaries--Mexico--Biography
Villa, Pancho, 1878-1923
Princeton subject headings:
Mexico--History--1910-1946.
Revolutionaries--Mexico--Biography.
Villa, Pancho, 1878-1923.