Columbia subject headings:
Hydraulic engineering--Italy--History--16th century.
Hydraulic engineering--Italy--History--17th century.
Hydrology--Italy--History--16th century.
Hydrology--Italy--History--17th century.
Harvard subject headings:
Hydraulic engineering--Italy--History--16th century.
Hydraulic engineering--Italy--History--17th century.
Princeton subject headings:
Hydraulic engineering--Italy--History--16th century.
Hydraulic engineering--Italy--History--17th century.
Hydrology--Italy--History--16th century.
Hydrology--Italy--History--17th century.