Columbia subject headings:
Harvard subject headings:
Capri Island (Italy)--Intellectual life--20th century.
Diefenbach, Karl Wilhelm, 1851-1913--Homes and haunts--Italy--Capri Island.
Diefenbach, Karl Wilhelm, 1851-1913--Homes and haunts--Italy--Capri.
Diefenbach, Karl Wilhelm, 1851-1913.
Painters--Germany--19th century.
Princeton subject headings:
Capri Island (Italy)--Intellectual life--20th century.
Diefenbach, Karl Wilhelm, 1851-1913--Homes and haunts--Italy--Capri Island.
Diefenbach, Karl Wilhelm, 1851-1913.