Columbia subject headings:
Harvard subject headings:
Illegal immigration--Italy--Sicily.
Illegal immigration--South Asia.
Italy--Emigration and immigration
Noncitizens--Italy--Sicily--Death.
Noncitizens--Italy--Sicily.
Noncitizens--South Asia--Death.
South Asia--Emigration and immigration.
Princeton subject headings:
Human smuggling--Italy.
Italy--Emigration and immigration.
Shipwrecks--Mediterranean Sea.