Columbia subject headings:
Architectural photography--Italy--Milan.
Architecture--Italy--Milan--Pictorial works.
Milan (Italy)--Buildings, structures, etc.--Pictorial works.
Milan (Italy)--Pictorial works.
Harvard subject headings:
Architectural photography--Italy--Milan.
Architecture--Italy--Milan--Pictorial works.
Milan (Italy)--Buildings, structures, etc.--Pictorial works.
Milan (Italy)--Pictorial works.
Princeton subject headings:
Fratelli Alinari--Photograph collections.
Milan (Italy)--Description--Views.
Milan (Italy)--History--19th century--Pictorial works.