Columbia subject headings:
Germany--Foreign relations--Russia--Sources.
Russia--Foreign relations--Germany--Sources.
Russia--History--February Revolution, 1917--Sources.
Russia--Politics and government--1801-1917--Sources.
Harvard subject headings:
Princeton subject headings:
Germany--Foreign relations--Russia--Sources.
Russia--Foreign relations--Germany--Sources.
Russia--History--February Revolution, 1917--Sources.
Russia--Politics and government--1801-1917--Sources.