Columbia subject headings:
Harvard subject headings:
Bulgars (Turkic people)--Russia (Federation)--Tatarstan.
Pottery--Russia (Federation)--Tatarstan.
Tatarstan (Russia)--Antiquities.
Princeton subject headings:
Bulgars (Turkic people)--Russia (Federation)--Volga River Valley--Antiquities.
Pottery, Prehistoric--Russia (Federation)--Volga River Valley.
Volga River Valley (Russia)--Antiquities.