Columbia subject headings:
Architectural photography--Italy--Mantua.
Architecture--Italy--Mantua.
Historic buildings--Italy--Mantua.
Mantua (Italy)--Buildings, structures, etc.--Pictorial works.
Harvard subject headings:
Architecture, Italian--History.
Architecture, Italian--Pictorial works.
Architecture--Italy--Mantua--History.
Architecture--Italy--Mantua--Pictorial works.
Mantua (Italy)--Buildings, structures, etc.--Pictorial works.
Palazzo ducale (Museum : Mantua, Italy)--History.
Palazzo ducale (Museum : Mantua, Italy)--Pictorial works.
Princeton subject headings: