Columbia subject headings:
Russia. Armii︠a︡--Military life--History--19th century.
Serfdom--Russia--History--19th century.
Soviet Union--Armed Forces--Military life--History--19th century.
Harvard subject headings:
Russia--Armed Forces--Military life--History--19th century.
Russia. Armii︠a︡--Military life--History--19th century.
Serfdom--Russia--History--19th century.
Princeton subject headings:
Russia--Armed Forces--Military life--History--19th century.
Russia. Armii︠a︡--Military life--History--19th century.
Serfdom--Russia--History--19th century.