Columbia subject headings:
Spoleto (Italy)--Description and travel.
Harvard subject headings:
Architecture--Italy--Spoleto--Pictorial works.
Art, Italian--Italy--Spoleto--Pictorial works.
Christian art and symbolism--Italy--Spoleto--Pictorial works.
Church architecture--Italy--Spoleto--Pictorial works.
Spoleto (Italy)--Buildings, structures, etc.--Pictorial works.
Princeton subject headings:
Architecture--Italy--Spoleto.
Art, Italian--Italy--Spoleto.
Christian art and symbolism--Italy--Spoleto.
Church architecture--Italy--Spoleto.