Columbia subject headings:
Harvard subject headings:
Architecture--Italy--Milan--Details--Pictorial works.
Courtyards--Italy--Milan--Pictorial works.
Milan (Italy)--Buildings, structures, etc.--Pictorial works.
Milan (Italy)--Pictorial works.
Vernacular architecture--Italy--Milan--Pictorial works.
Princeton subject headings:
Courtyards--Italy--Milan--Pictorial works.
Milan (Italy)--Description--Views.