Columbia subject headings:
Baths, Hot, in art.
Baths, Hot--Italy--Phlegraean Plain--History.
Health resorts in art.
Health resorts--Italy--Phlegraean Plain--History.
Harvard subject headings:
Baths, Hot--Italy--Phlegraean Plain--History.
Phlegraean Plain (Italy)--Antiquities.
Princeton subject headings:
Baths, Hot in art.
Baths, Hot--Italy--Phlegraean Plain--History.
Health resorts in art.
Health resorts--Italy--Phlegraean Plain--History.