Columbia subject headings:
Architecture--Italy--Ischia Island.
Vernacular architecture--Italy--Ischia Island.
Harvard subject headings:
Architecture--Italy--Ischia Island--Exhibitions.
Historic buildings--Italy--Ischia Island--Exhibitions.
Ischia Island (Italy)--Description and travel.
Princeton subject headings:
Architecture--Italy--Ischia Island.
Vernacular architecture--Italy--Ischia Island.