Columbia subject headings:
Amu Darya Valley--Antiquities.
Excavations (Archaeology)--Asia, Central.
Khorezm (Kingdom)--Antiquities.
Syr Darya Valley--Antiquities.
Harvard subject headings:
Amu Darya Valley--Antiquities.
Excavations (Archaeology)--Asia, Central
Khorezm (Kingdom)--Antiquities.
Syr Darya Valley--Antiquities.
Princeton subject headings:
Amu Darya Delta (Uzbekistan)--Civilization.
Excavations (Archaeology)--Khorezm (Kingdom).
Khorezm (Kingdom)--Antiquities.
Material culture--Khorezm (Kingdom).
Syr Darya Region--Civilization.