Columbia subject headings:
Maya cosmology.
Maya numeration.
Mayas--Mathematics.
Symbolism of numbers--Central America.
Symbolism of numbers--Mexico.
Harvard subject headings:
Maya cosmology.
Maya numeration.
Mayas--Mathematics
Symbolism of numbers--Central America.
Symbolism of numbers--Mexico.
Princeton subject headings:
Maya cosmology.
Maya numeration.
Symbolism of numbers--Central America.
Symbolism of numbers--Mexico.