Columbia subject headings:
Excavations (Archaeology)--Yemen (Republic)--Ḥaḍramawt (Province)
Port cities--Yemen (Republic)--Ḥaḍramawt (Province)--Antiquities.
Qāniʼ Site (Ḥaḍramawt, Yemen)
Ḥaḍramawt (Yemen : Province)--Antiquities.
Harvard subject headings:
Excavations (Archaeology)--Yemen (Republic)--Ḥaḍramawt (Province)
Ḥaḍramawt (Yemen : Province)--Antiquities.
Port cities--Yemen (Republic)--Ḥaḍramawt (Province)--Antiquities.
Princeton subject headings: