Columbia subject headings:
City planning--Italy--Lombardy.
Industrial buildings--Italy--Lombardy.
Industrial buildings--United States.
Industrial districts--Italy--Lombardy.
Industrial districts--United States.
Regional planning--Italy--Lombardy.
Harvard subject headings:
Factories--Italy--Designs and plans.
Industrial buildings--Italy--Lombardy.
Regional planning--Italy--Lombardy.
Princeton subject headings: