Columbia subject headings:
Harvard subject headings:
Italic peoples--Italy--Magna Graecia.
Italic peoples--Italy--Sicily.
Magna Graecia (Italy)--Antiquities.
Magna Graecia (Italy)--Social conditions.
Mercenary troops--Italy--Magna Graecia.
Mercenary troops--Italy--Sicily.
Sicily (Italy)--Antiquities
Princeton subject headings:
Italic peoples--History.
Mercenary troops--Italy, Southern--History.