Columbia subject headings:
Excavations (Archaeology)--Italy--Phlegraean Plain.
Italy--Antiquities.
Phlegraean Plain (Italy)--Antiquities.
Harvard subject headings:
Excavations (Archaeology)--Italy--Phlegraean Plain.
Italy--Antiquities.
Phlegraean Plain (Italy)--Antiquities.
Princeton subject headings:
Excavations (Archaeology)--Italy--Phlegraean Plain.
Italy--Antiquities.
Phlegraean Plain (Italy)--Antiquities.