Columbia subject headings:
Art, Prehistoric--Sahara--Exhibitions.
Rock paintings--Sahara--Exhibitions.
Sahara--Antiquities--Exhibitions.
Harvard subject headings:
Art, Prehistoric--Sahara--Exhibitions.
Petroglyphs--Sahara--Exhibitions.
Rock paintings--Sahara--Exhibitions.
Sahara--Antiquities--Exhibitions.
Princeton subject headings: