Columbia subject headings:
Harvard subject headings:
Russia--History--Nicholas II, 1894-1917.
Russia--Politics and government--1894-1917.
Russia. Gosudarstvennai︠a︡ Duma (4th : 1912-1917)
Princeton subject headings:
Communism--Russia.
Russia--History--Nicholas II, 1894-1917.
Russia. Gosudarstvennai︠a︡ Duma (4th : 1912-1917)