Columbia subject headings:
Harvard subject headings:
Architecture, Medieval--Italy--Lombardy.
Architecture--Italy--Lombardy.
Art, Italian--Italy--Lombardy.
Art, Medieval--Italy--Lombardy.
Christian art and symbolism--Italy--Lombardy.
Lombardy (Italy)--Buildings, structures, etc.
Princeton subject headings:
Art, Italian--Italy--Lombardy.
Art, Medieval--Italy--Lombardy.
Lombardy (Italy)--History--To 1535.