Columbia subject headings:
Alexander I, Emperor of Russia, 1777-1825.
Russia--Foreign relations--1801-1917.
Russia--History--Alexander I, 1801-1825.
Russia--Intellectual life--1801-1917.
Harvard subject headings:
Nobility--Russia--Political activity.
Opposition (Political science)
Russia--History--Alexander I, 1801-1825.
Russia--Politics and government--1801-1825.
Social reformers--Russia--History--19th century.
Princeton subject headings: