Columbia subject headings:
Harvard subject headings:
Agriculture and state--Italy--History--Sources.
Agriculture--Economic aspects--Italy--History--Sources.
Catholics--Italy--History--Sources.
Catholics--Political activity--Italy--History--Sources.
Italy--Politics and government--20th century--Sources.
Land reform--Italy--History--Sources.
Princeton subject headings:
Agriculture and state--Italy--History.
Catholics--Italy--Political activity--History.
Land reform--Italy--History.