Columbia subject headings:
Duomo di Milano.
Milan (Italy)--Buildings, structures, etc.
Harvard subject headings:
Drawing--Italy--Milan--Catalogs.
Drawing--Italy--Milan--Exhibitions.
Duomo di Milano.
Duomo di Milano. Fabbrica--Art collections--Catalogs.
Duomo di Milano. Fabbrica--Art collections--Exhibitions.
Facades--Italy--Milan--Designs and plans.
Façades--Italy--Milan--Designs and plans--Exhibitions.
Princeton subject headings:
Catalogs.
Drawing--Italy--Milan--Catalogs.
Duomo di Milano.
Duomo di Milano. Fabbrica--Art collections--Catalogs.
Facades--Italy--Milan--Designs and plans.