Columbia subject headings:
Gems, Ancient--Italy--Luni.
Gems--Italy--Luni.
Luna (Extinct city)--Antiquities.
Harvard subject headings:
Gems, Ancient--Italy--Luna (Extinct city)
Gems--Italy--Luna (Extinct city)
Luna (Extinct city)--Antiquities.
Princeton subject headings:
Gems, Ancient--Italy--Luni.
Gems--Italy--Luni.
Luni--Antiquities.