Columbia subject headings:
Maritime law.
Pirates--History.
Privateering--History.
Shipping--History--18th century.
Shipping--History--19th century.
Harvard subject headings:
Maritime law.
Pirates--History
Privateering--History.
Shipping--History--18th century.
Shipping--History--19th century.
Princeton subject headings:
Maritime law.
Pirates.
Privateering--History.