Columbia subject headings:
Art--Italy--Milan--Catalogs.
Pinacoteca ambrosiana (Milan, Italy)--Catalogs.
Harvard subject headings:
Art--Italy--Milan--Catalogs.
Pinacoteca ambrosiana (Milan, Italy)--Catalogs.
Princeton subject headings:
Art--Italy--Milan--Guidebooks.
Pinacoteca ambrosiana (Milan, Italy)--Guidebooks.