Columbia subject headings:
Harvard subject headings:
Russia (Federation)--History, Local.
Russia (Federation)--History--20th century.
Rzhev, Battle of, Rzhev, Russia, 1942-1943.
Soviet Union--History.
Tverskai︠a︡ oblastʹ (Russia)--History--20th century.
Princeton subject headings:
Russia--Social conditions--1801-1917.
Social problems--Russia.
Social problems--Soviet Union.
Soviet Union--Social conditions.