Columbia subject headings:
Building--Italy--Milan--History.
Cathedrals--Italy--Milan.
Duomo di Milano--History.
Duomo di Milano. Fabbrica--History.
Milan (Italy)--Buildings, structures, etc.
Harvard subject headings:
Building--Italy--Milan.
Cathedrals--Italy--Milan.
Duomo di Milano--History.
Duomo di Milano. Fabbrica--History.
Milan (Italy)--Buildings, structures, etc.
Princeton subject headings:
Building--Italy--Milan--History.
Cathedrals--Italy--Milan.
Duomo di Milano--History.
Duomo di Milano. Fabbrica--History.
Milan (Italy)--Buildings, structures, etc.