Columbia subject headings:
Architecture--Italy--Lombardy.
Historic buildings--Italy--Lombardy.
Lombardy (Italy)--Description and travel.
Lombardy (Italy)--History.
Harvard subject headings:
Architecture--Italy--Lombardy.
Historic buildings--Italy--Lombardy.
Lombardy (Italy)--Description and travel.
Lombardy (Italy)--History.
Princeton subject headings:
Architecture--Italy--Lombardy.
Art, Italian--Italy--Lombardy.
Historic buildings--Italy--Lombardy.
Lombardy (Italy)--Description and travel.
Lombardy (Italy)--History.