Columbia subject headings:
Art, European--Italy--Phlegraean Plain.
Landscapes in art.
Phlegraean Plain (Italy)--Description and travel.
Phlegraean Plain (Italy)--In art.
Harvard subject headings:
Art, European--Italy--Phlegraean Plain.
Art, European.
Landscapes in art.
Phlegraean Plain (Italy)--Description and travel.
Phlegraean Plain (Italy)--In art.
Princeton subject headings:
Art, European--Italy--Phlegraean Plain.
Landscapes in art.
Phlegraean Plain (Italy)--Description and travel.
Phlegraean Plain (Italy)--In art.