Columbia subject headings:
Architecture, Medieval--Italy--Atri--Guidebooks.
Christian art and symbolism--Italy--Atri--Guidebooks.
Duomo di Atri--Guidebooks.
Harvard subject headings:
Duomo di Atri--Guidebooks.
Princeton subject headings:
Atri (Italy)--Buildings, structures, etc.
Christian art and symbolism--Italy--Atri.
Church architecture--Italy--Atri.
Duomo di Atri.
Mural painting and decoration--Italy--Atri.