Columbia subject headings:
Harvard subject headings:
Abruzzo (Italy)--Buildings, structures, etc.--Guidebooks.
Abruzzo (Italy)--Guidebooks.
Abruzzo (Italy)--History.
Architecture--Italy--Abruzzo--Guidebooks.
Art--Italy--Abruzzo--Guidebooks.
Princeton subject headings:
Abruzzo (Italy)--Guidebooks.
Abruzzo (Italy)--History.
Architecture--Italy--Abruzzo--Guidebooks.
Art--Italy--Abruzzo--Guidebooks.
Guidebooks.