Columbia subject headings:
Itza Indians--Commerce.
Itza Indians--Economic conditions.
Itza Indians--Politics and government.
Maya mythology.
Mayas--Commerce.
Mayas--Politics and government.
Mayas--Religion.
Yucatán (Mexico : State)--Antiquities.
Harvard subject headings:
Indians of Mexico--Mexico--Yucatán (State)--History.
Itza Indians--Economic conditions.
Itza Indians--History.
Mayas--Economic conditions
Mayas--History
Social structure--Mexico--Yucatán (State)
Princeton subject headings:
Itza Indians--History.
Mayas--History.