Columbia subject headings:
Architecture, Domestic--Italy--Milan.
Romanies--Dwellings--Design and construction--Italy--Milan.
Temporary housing--Design and construction--Italy--Milan.
Harvard subject headings:
Architecture, Domestic--Italy--Milan.
Romanies--Dwellings--Design and construction--Italy--Milan.
Temporary housing--Design and construction--Italy--Milan.
Princeton subject headings:
Architecture, Domestic--Italy--Milan.
Romanies--Dwellings--Design and construction--Italy--Milan.
Temporary housing--Design and construction--Italy--Milan.