Columbia subject headings:
Copper age--Turkmenistan.
Neolithic period--Turkmenistan.
Turkmenistan--Antiquities.
Harvard subject headings:
Copper age--Turkmenistan.
Neolithic period--Turkmenistan.
Prehistoric peoples--Turkmenistan.
Turkmenistan--Antiquities.
Princeton subject headings:
Bronze age--Turkmenistan.
Khlopin, I. N. (Igorʹ Nikolaevich)
Sarianidi, V. I. (Viktor Ivanovich)
Turkmenistan--Antiquities.