Columbia subject headings:
Middle East--Relations--Russia--Sources.
Russia--History--Nicholas II, 1894-1917--Sources.
Russia--Relations--Middle East--Sources.
Russia. Voennyĭ flot--History--Sources.
Harvard subject headings:
Middle East--Relations--Russia--Sources.
Russia--History--Nicholas II, 1894-1917--Sources.
Russia--Relations--Middle East--Sources.
Russia. Voennyĭ flot--History--Sources.
Princeton subject headings:
Persian Gulf Region--Foreign relations--Russia--Sources.
Russia--Foreign relations--Persian Gulf Region--Sources.
Russia--History--Nicholas II, 1894-1917--Sources.
Russia. Voennyĭ flot--History--Sources.