Columbia subject headings:
Russia--Politics and government--1801-1825.
Russia--Politics and government--1825-1855.
Voront︠s︡ov, Mikhail Semenovich, kni︠a︡zʹ, 1782-1856.
Harvard subject headings:
Princeton subject headings:
Voront︠Lsov, Mikhail Semenovich, kni︠a︡z, 1782-1856.