Columbia subject headings:
Excavations (Archaeology)--Kazakhstan.
Kazakhstan--Antiquities.
Otrar (Extinct city)
Harvard subject headings:
Excavations (Archaeology)--Kazakhstan
Excavations (Archaeology)--Kazakstan.
Extinct cities--Kazakhstan
Kazakhstan--Antiquities.
Otrar (Extinct city)
Princeton subject headings:
Excavations (Archaeology)--Kazakhstan.
Kazakhstan--Antiquities.
Otrar (Extinct city)