Columbia subject headings:
Como, Lake (Italy)--Description and travel.
Gardens--Italy--Como, Lake.
Gardens--Italy--Intelvi Valley.
Harvard subject headings:
Como, Lake (Italy)--Buildings, structures, etc.
Gardens--Italy--Como, Lake.
Gardens--Italy--Intelvi Valley.
Intelvi Valley (Italy)--Buildings, structures, etc.
Landscape architects--Italy.
Water and architecture.
Princeton subject headings: