Columbia subject headings:
Cathedrals--Italy--Piedmont.
Church architecture--Italy--Piedmont.
Piedmont (Italy)--Buildings, structures, etc.
Harvard subject headings:
Cathedrals--Italy--Piedmont.
Cathedrals--Italy--Valle d'Aosta.
Church architecture--Italy--Piedmont.
Church architecture--Italy--Valle d'Aosta.
Piedmont (Italy)--Buildings, structures, etc.
Valle d'Aosta (Italy)--Buildings, structures, etc.
Princeton subject headings:
Cathedrals--Italy--Piedmont.
Cathedrals--Italy--Valle d'Aosta.
Church architecture--Italy--Piedmont.
Church architecture--Italy--Valle d'Aosta.
Church decoration and ornament--Italy--Piedmont.
Church decoration and ornament--Italy--Valle d'Aosta.
Liturgy and architecture--Italy--Piedmont.
Liturgy and architecture--Italy--Valle d'Aosta.