Columbia subject headings:
Great Britain--Foreign relations--Italy--Sicily.
Sicily (Italy)--Foreign relations--Great Britain.
Sicily (Italy)--History--1806-1815.
Harvard subject headings:
Great Britain--Foreign relations--Italy--Sicily.
Sicily (Italy)--Foreign relations--Great Britain.
Sicily (Italy)--History--1806-1815
Princeton subject headings:
Great Britain--Foreign relations--Sicily (Italy).
Sicily (Italy)--Foreign relations--Great Britain.
Sicily (Italy)--History--1806-1815.