Columbia subject headings:
Hijacking of ships--Prevention.
Piracy--Aden, Gulf of.
Piracy--Somalia.
Piracy.
Harvard subject headings:
Criminal jurisdiction.
Criminal procedure (International law)
International crimes.
Piracy--Aden, Gulf of.
Piracy--Somalia.
Pirates--Legal status, laws, etc.
Princeton subject headings:
Hijacking of ships--Prevention.
Piracy--Aden, Gulf of.
Piracy--Somalia.
Piracy.