Columbia subject headings:
Architecture--Italy--Ferrara--Exhibitions.
Ferrara (Italy)--Buildings, structures, etc.--Exhibitions.
Harvard subject headings:
Architecture--Italy--Ferrara.
Ferrara (Italy)--Buildings, structures, etc.
Peron, Marica.
Savioli, Giacomo.
Princeton subject headings:
Architecture--Italy--Ferrara--Exhibitions.
Ferrara (Italy)--Buildings, structures, etc.--Exhibitions.