Columbia subject headings:
Russia--History--Nicholas II, 1894-1917.
Russia--Social conditions--1801-1917.
World War, 1914-1918--Russia.
Harvard subject headings:
Russia--History--Nicholas II, 1894-1917.
Soviet Union--Social conditions.
World War, 1914-1918--Russia
Princeton subject headings:
Russia--History--Nicholas II, 1894-1917.
Russia--Social conditions--1801-1917.
World War, 1914-1918--Russia.