Columbia subject headings:
Harvard subject headings:
Arabian Peninsula--Foreign relations--Russia.
Arabian Peninsula--Foreign relations--Soviet Union.
Persian Gulf States--Foreign relations--Russia.
Persian Gulf States--Foreign relations--Soviet Union.
Russia--Foreign relations--Arabian Peninsula.
Russia--Foreign relations--Persian Gulf States.
Soviet Union--Foreign relations--Arabian Peninsula.
Soviet Union--Foreign relations--Persian Gulf States.
Princeton subject headings:
Arabian Peninsula--Foreign relations--Russia.
Arabian Peninsula--Foreign relations--Soviet Union.
Persian Gulf States--Foreign relations--Russia.
Persian Gulf States--Foreign relations--Soviet Union.
Russia--Foreign relations--Arabian Peninsula.
Russia--Foreign relations--Persian Gulf States.
Soviet Union--Foreign relations--Arabian Peninsula.
Soviet Union--Foreign relations--Persian Gulf States.