Columbia subject headings:
Mexico--History--Revolution, 1910-1920.
Tehuantepec, Isthmus of (Mexico)--History.
Harvard subject headings:
Mexico--History--Revolution, 1910-1920
Revolutions--Mexico--Tehuantepec, Isthmus--History.
Tehuantepec, Isthmus of (Mexico)--History.
Princeton subject headings:
Tehuantepec, Isthmus of (Mexico)--History.
Tehuantepec, Isthmus of (Mexico)--Politics and government.