Columbia subject headings:
Abyan (Yemen : Province)--Antiquities.
Aden (Yemen)--Antiquities.
Excavations (Archaeology)--Yemen (Republic)--Abyan (Province)
Excavations (Archaeology)--Yemen (Republic)--Yemen, South.
Harvard subject headings:
Abyan (Yemen : Province)--Antiquities.
Aden (Yemen)--Antiquities.
Excavations (Archaeology)--Yemen--Abyan.
Excavations (Archaeology)--Yemen--Aden.
Princeton subject headings:
Excavations (Archaeology)--Yemen--Abyan (Province).
Excavations (Archaeology)--Yemen--Aden.
Islamic antiquities--Yemen--Abyan (Province).
Islamic antiquities--Yemen--Aden.