Columbia subject headings:
Aïr Region (Niger)--Antiquities.
Petroglyphs--Niger--Aïr Region.
Prehistoric peoples--Niger--Aïr Region.
Harvard subject headings:
Niger--Antiquities.
Petroglyphs--Niger.
Princeton subject headings:
Aïr Region (Niger)--Antiquities.
Petroglyphs--Niger--Aïr Region.
Prehistoric peoples--Niger--Aïr Region..