Columbia subject headings:
Graffiti--Guatemala--Tikal Site.
Indian art--Central America.
Maya art.
Tikal Site (Guatemala)
Harvard subject headings:
Graffiti--Guatemala--Tikal Site.
Graffiti--Guatemala.
Maya art.
Petroglyphs--Guatemala.
Tikal Site (Guatemala)
Princeton subject headings:
Graffiti--Guatemala--Tikal Site.
Indian art--Central America.
Maya art.
Tikal Site (Guatemala)