Columbia subject headings:
City planning--Italy--History--20th century.
Fascism and architecture--Italy.
New towns--Italy--History--20th century.
Harvard subject headings:
Cities and towns--Italy--Pontine Marshes--20th century.
Fascism--Italy--Pontine Marshes.
New towns--Italy--Pontine Marshes.
Pontine Marshes (Italy)--History--20th century.
Princeton subject headings:
Cities and towns--Italy--Pontine Marshes--20th century.
Fascism--Italy--Pontine Marshes.
New towns--Italy--Pontine Marshes.