Columbia subject headings:
Archaeology, Medieval--Algeria--Sedrata (Extinct city)
Excavations (Archaeology)--Algeria--Sedrata (Extinct city)
Ibadites--Algeria--Sedrata (Extinct city)--Antiquities.
Sedrata (Extinct city)
Harvard subject headings:
Princeton subject headings:
Archaeology, Medieval--Sahara.
Excavations (Archaeology)--Algeria.
Gautier-van Berchem, Marguerite--Archives.
Ouargla (Algeria)
Sahara--Antiquities.