Columbia subject headings:
Architecture--Italy--Po River Delta--Pictorial works.
Giordani, Pierluigi.
Land reform--Italy--Po River Delta--History--20th century.
Land tenure--Italy--Po River Delta--History--20th century.
Harvard subject headings:
Architects--Italy.
Architecture, Domestic--Italy--Po River Delta.
Architecture--Italy--Po River Delta--20th century.
Giordani, Pierluigi--Criticism and interpretation.
Po River Delta (Italy)--Buildings, structures, tec.
Princeton subject headings: