Columbia subject headings:
Harvard subject headings:
Russia--Social conditions--1801-1917.
Russia--Social conditions--To 1801.
Princeton subject headings:
Russia--Politics and government--1689-1801.
Russia--Politics and government--1801-1917.
Russia--Social conditions--1801-1917.
Russia--Social conditions--To 1801.
Social change--Russia--History.
Social classes--Russia--History.
Social structure--Russia--History.