Columbia subject headings:
Decembrists.
Pestelʹ, Pavel Ivanovich, 1793-1826.
Russia--History--Alexander I, 1801-1825.
Harvard subject headings:
Alexander I, Emperor of Russia, 1777-1825.
Decembrists.
Pestelʹ, Pavel Ivanovich, 1793-1826
Russia--History--Alexander I, 1801-1825--Philosophy.
Russia--History--Alexander I, 1801-1825.
Princeton subject headings:
Decembrists.
Russia--History--Alexander I, 1801-1825--Philosophy.