Columbia subject headings:
Church architecture--Italy--Piedmont.
Piedmont (Italy)--Church history.
Waldenses--Italy--Piedmont--History.
Harvard subject headings:
Church architecture--Italy--Piedmont.
Piedmont (Italy)--Church history.
Waldenses--Italy--Piedmont--History.
Princeton subject headings:
Church architecture--Italy--Piedmont.
Piedmont (Italy)--Church history.
Waldenses--Italy--Piedmont--History.