Columbia subject headings:
Architecture--Italy--Mantua.
Art, Italian--Italy--Mantua.
Mantua (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Italy--Mantua.
Art, Italian--Italy--Mantua.
Mantua (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Italy--Mantua.
Art, Italian--Italy--Mantua.
Mantua (Italy)--Buildings, structures, etc.