Columbia subject headings:
Great Britain--Foreign relations--Italy--Naples (Kingdom)
Naples (Kingdom)--Foreign relations--Great Britain.
Harvard subject headings:
Great Britain--Foreign relations--Italy--Naples (Kingdom)
Great Britain--Foreign relations--Naples (Kingdom)
Naples (Kingdom)--Foreign relations--Great Britain.
Princeton subject headings:
Great Britain--Foreign relations--Naples (Kingdom).
Naples (Kingdom)--Foreign relations--Great Britain.