Columbia subject headings:
Germany--Foreign relations--Russia.
Russia--Foreign relations--1894-1917.
Russia--Foreign relations--Germany.
Russia--History--Nicholas II, 1894-1917.
Soviet Union--History--Revolution, 1917-1921--Causes.
World War, 1914-1918--Causes.
World War, 1914-1918--Russia.
Harvard subject headings:
Germany--Foreign relations--Russia.
Russia--Foreign relations--1894-1917.
Russia--Foreign relations--Germany.
Russia--History--Nicholas II, 1894-1917.
World War, 1914-1918--Russia
Princeton subject headings:
Germany--Foreign relations--Russia.
Russia--Foreign relations--1894-1917.
Russia--Foreign relations--Germany.
Russia--History--Nicholas II, 1894-1917.
World War, 1914-1918--Russia.