Title: Bulgarskai͡a t͡sivilizat͡sii͡a na Volge
Subjects: Bulgars (Turkic people), History, Ancient history, Ethnology, History (general) and history of Europe, History of Russia. Soviet Union. Former Soviet Republics, Local history and description, Regions of Russia. Periphery, Social sciences (General)
Places: Russia (Federation), Volga River Region, Tatarstan