Columbia subject headings:
Nera River Valley (Italy)--In art--Catalogs.
Prints, European--Catalogs.
Waterfalls in art--Catalogs.
Waterfalls--Italy--Nera River Valley--Pictorial works--Catalogs.
Harvard subject headings:
Nera River Valley (Italy)--In art--Catalogs.
Prints, European--Catalogs
Waterfalls in art--Catalogs.
Waterfalls--Italy--Nera River Valley--Pictorial works--Catalogs.
Princeton subject headings:
Catalogs.
Nera River Valley (Italy)--In art--Catalogs.
Prints, European--Catalogs.
Waterfalls in art--Catalogs.
Waterfalls--Italy--Nera River Valley--Pictorial works--Catalogs.