Columbia subject headings:
Cultural property--Protection--Guatemala.
Mayas--Antiquities.
Harvard subject headings:
Cultural property--Protection--Guatemala.
Mayas--Antiquities
Stele (Archaeology)--Guatemala.
Princeton subject headings:
Archaeological thefts.
Brooklyn Museum.
Maya sculpture.
Museum of Primitive Art (New York, N.Y.)
Piedras Negras (Guatemala)--Antiquities.