Columbia subject headings:
Saudi Arabia--Antiquities.
Sharqīyah (Saudi Arabia : Province)--Antiquities.
Harvard subject headings:
Hasa Oasis (Saudi Arabia)--Antiquities.
Saudi Arabia--Antiquities.
Sharqīyah (Saudi Arabia : Province)--Antiquities.
Princeton subject headings:
Excavations (Archaeology)--Saudi Arabia.
Saudi Arabia--Antiquities.
Sharqīyah (Saudi Arabia : Province)--Antiquities.