Columbia subject headings:
Agriculture--Economic aspects--Italy--History.
Land use--Italy--History.
Reclamation of land--Italy--History.
Rural development--Italy--History.
Harvard subject headings:
Agriculture and state--Italy--History.
Mussolini, Benito, 1883-1945
Serpieri, Arrigo, 1877-1960.
Princeton subject headings:
Agriculture--Economic aspects--Italy--History.
Land use--Italy--History.
Reclamation of land--Italy--History.
Rural development--Italy--History.