Columbia subject headings:
Harvard subject headings:
Architecture--Italy--Salinello River Valley.
Architecture--Italy--Vibrata River Valley.
Art--Italy--Salinello River Valley.
Art--Italy--Vibrata River Valley.
Salinello River Valley (Italy)--History.
Vibrata River Valley (Italy)--History.
Princeton subject headings:
Art, Italian--Italy--Teramo (Province)--Guidebooks.
Teramo (Italy : Province)--Guidebooks.