Columbia subject headings:
Harvard subject headings:
Architecture, Gothic--Italy--Lombardy.
Architecture--Italy--Lombardy.
Art, Italian--Italy--Lombardy.
Christian art and symbolism--Medieval, 500-1500
Church decoration and ornament--Italy--Lombardy.
Princeton subject headings:
Art, Gothic--Italy--Lombardy.
Art, Gothic--Italy--Milan.
Art, Italian--Italy--Lombardy.
Art, Italian--Italy--Milan.