Columbia subject headings:
Inscriptions, Arabic--Saudi Arabia.
Islamic inscriptions--Saudi Arabia.
Petroglyphs--Saudi Arabia.
Saudi Arabia--Antiquities.
Harvard subject headings:
Inscriptions, Arabic--Saudi Arabia.
Islamic inscriptions--Saudi Arabia.
Petroglyphs--Saudi Arabia.
Saudi Arabia--Antiquities.
Princeton subject headings:
Inscriptions, Arabic--Saudi Arabia.
Islamic inscriptions--Saudi Arabia.
Petroglyphs--Saudi Arabia.
Saudi Arabia--Antiquities.