Columbia subject headings:
Cooperation--Italy--Ravenna (Province)--History--20th century.
Reconstruction (1939-1951)--Italy--Ravenna (Province)
Harvard subject headings:
Cooperation--Italy--Ravenna (Province)--History--20th century.
Reconstruction (1939-1951)--Italy--Ravenna (Province)
Princeton subject headings:
Ravenna (Italy : Province)