Columbia subject headings:
Russia--Politics and government--1801-1825.
Russia--Politics and government--1825-1855.
Harvard subject headings:
Constitutional history--Soviet Union
Peasants--Soviet Union--History
Russia--Politics and government--1801-1825.
Russia--Politics and government--1825-1855.
Princeton subject headings:
Russia--Politics and government--1801-1825.
Russia--Politics and government--1825-1855.