Columbia subject headings:
Antiquities, Prehistoric--Chad--Ennedi Plateau.
Ennedi Plateau (Chad)--Antiquities.
Rock paintings--Chad--Ennedi Plateau.
Harvard subject headings:
Antiquities, Prehistoric--Chad--Ennedi Plateau.
Ennedi Plateau (Chad)--Antiquities.
Rock paintings--Chad--Ennedi Plateau.
Princeton subject headings:
Antiquities, Prehistoric--Chad--Ennedi Plateau.
Ennedi Plateau (Chad)--Antiquities.
Rock paintings Ennedi Plateau.--Chad