Columbia subject headings:
Indian architecture--Central America.
Indian architecture--Mexico.
Indians of Central America--Economic conditions.
Indians of Mexico--Economic conditions.
Maya architecture.
Mayas--Economic conditions.
Harvard subject headings:
Indian architecture--Central America
Indian architecture--Mexico
Indians of Central America--Economic conditions.
Indians of Mexico--Economic conditions
Maya architecture.
Mayas--Economic conditions
Princeton subject headings:
Indians of Central America--Economic conditions.
Indians of Mexico--Economic conditions.
Maya architecture.
Mayas--Economic conditions.