Columbia subject headings:
Cities and towns--Russia (Federation)--Volga-Ural Region--History.
Russia--History--Rebellion of Pugachev, 1773-1775.
Volga-Ural Region (Russia)--History.
Harvard subject headings:
Cities and towns--Russia (Federation)--Ural Mountains Region--History.
Cities and towns--Russia (Federation)--Volga River Region--History.
Russia--History--Rebellion of Pugachev, 1773-1775.
Ural Mountains Region (Russia)--History.
Volga River Region (Russia)--History.
Princeton subject headings:
Cities and towns--Russia (Federation)--Volga-Ural Region--History.
Russia--History--Rebellion of Pugachev, 1773-1775.
Volga-Ural Region (Russia)--History.