Columbia subject headings:
Harvard subject headings:
Agriculture and state--Italy--History--20th century.
Agriculture--Economic aspects--Italy--History--20th century.
Fascism--Italy--History--20th century
Istituto nazionale di economia agraria--History--20th century.
Princeton subject headings:
Agriculture and state--Italy--History--20th century.
Agriculture--Economic aspects--Italy--History--20th century.
Fascism--Italy--History--20th century.
Istituto nazionale di economia agraria--History--20th century.