Columbia subject headings:
Harvard subject headings:
Black people--Mexico--Tehuantepec, Isthmus of--History.
Cattle trade--Mexico--Tehuantepec, Isthmus of--History.
Haciendas--Mexico--Tehuantepec, Isthmus of--History.
Indians of Mexico--Mexico--Tehuantepec, Isthmus of--History.
Tehuantepec, Isthmus of (Mexico)--History.
Valle de Oaxaca (New Spain)--Politics and government.
Working class--Mexico--Tehuantepec, Isthmus of--History.
Princeton subject headings:
Black people--Mexico--Tehauntepec, Isthmus of--History.
Cattle trade--Mexico--Tehauntepec, Isthmus of--History.
Haciendas--Mexico--Tehauntepec, Isthmus of--History.
Indians of Mexico--Mexico--Tehauntepec, Isthmus of--History.
Labor--Mexico--Tehauntepec, Isthmus of--History.
Tehauntepec, Isthmus of (Mexico)--History.
Valle de Oaxaca (New Spain)--Politics and government.