Columbia subject headings:
Basilica di San Petronio (Bologna, Italy)--History.
Fabbriceria di S. Petronio (Bologna, Italy)--History.
Harvard subject headings:
Basilica di San Petronio (Bologna, Italy)--History.
Fabbriceria di S. Petronio (Bologna, Italy)--History.
Princeton subject headings:
Architecture, Domestic--Italy--Bologna.
Basilica di S. Petronio (Bologna, Italy).
Fabbrica di S. Petronio.