Columbia subject headings:
Communism--Soviet Union.
Russia--History--February Revolution, 1917.
Russia--History--Nicholas II, 1894-1917.
Soviet Union--History--Revolution, 1917-1921.
Harvard subject headings:
Communism--Soviet Union
Russia--History--February Revolution, 1917.
Russia--History--Nicholas II, 1894-1917.
Soviet Union--History--Revolution, 1917-1921.
Princeton subject headings:
Nicholas II, Emperor of Russia, 1868-1918.
Russia--History--February Revolution, 1917.
Russia--History--Nicholas II, 1894-1917.
Russia--Politics and government--1801-1917.