Columbia subject headings:
Guatemala--Antiquities.
Ivanoff, Pierre, 1924-1974.
Lacandon Indians.
Mayas--Antiquities.
Petén (Guatemala : Department)--Antiquities.
Harvard subject headings:
Guatemala--Antiquities.
Ivanoff, Pierre, 1924-1974.
Lacandon Indians.
Mayas--Antiquities
Petén (Guatemala : Department)--Antiquities.
Petén (Guatemala : Dept.)--Antiquities.
Princeton subject headings:
Lacandon Indians.
Mayas--Antiquities.
Petéa, Guatemala (Dept.)--Antiquities