Columbia subject headings:
Harvard subject headings:
Belize--Antiquities.
Codex Peresianus.
Indians of Central America--Languages--Writing
Jade art objects--Belize.
Mayan languages--Writing
Mayas--Antiquities
Mexico--Antiquities.
Princeton subject headings:
Indians of Central America--Languages--Writing.
Indians of Mexico--Languages--Writing.
Mayan languages--Writing.
Mayan languages.