Columbia subject headings:
Art, Italian--Italy--L'Aquila (Province)--Guidebooks.
L'Aquila (Italy : Province)--Guidebooks.
Harvard subject headings:
Art, Italian--Italy--Aterno River Valley--Guidebooks.
Aterno River Valley--Guidebooks.
Christian art and symbolism--Italy--Aterno River Valley--Guidebooks.
Princeton subject headings:
Art, Italian--Italy--Aterno River Valley--Italy--Aterno River Valley--Guidebooks.
Aterno River Valley (Italy)--Guidebooks.
Christian art and symbolism--Italy--Aterno River Valley--Guidebooks.
Guidebooks.