Columbia subject headings:
Harvard subject headings:
Bronze age--Turkmenistan.
Tombs--Turkmenistan.
Turkmenistan--Antiquities.
Princeton subject headings:
Bronze age--Turkmenistan--Sumbar River Region.
Sumbar River Region (Turkmenistan)--Antiquities.
Tombs--Turkmenistan--Sumbar River Region.
Turkmenistan--Antiquities.