Columbia subject headings:
Mediterranean Region--History--1517-1789.
Mediterranean Region--History--1789-1815.
Pirates--Mediterranean Region--History.
Plague--Mediterranean Region--History.
Privateering--Mediterranean Region--History.
Slavery--Mediterranean Region--History.
Harvard subject headings:
Africa, North--Relations--Italy--Sicily.
Coast defenses--Italy--Sicily--History.
Kidnapping--Mediterranean Region--History.
Plague--Mediterranean Region--History.
Privateering--Mediterranean Region--History.
Public health--Italy--Sicily--History.
Ransom--Italy--Sicily--History.
Sicily (Italy)--Relations--Africa, North.
Slavery--Mediterranean Region--History.
Princeton subject headings: