Columbia subject headings:
Art, European--19th century--Exhibitions.
Art, European--20th century--Exhibitions.
Symbolism (Art movement)--Exhibitions.
Harvard subject headings:
Palazzo dei diamanti (Ferrara, Italy)
Symbolism in art--Europe--Exhibitions.
Princeton subject headings:
Palazzo dei diamanti (Ferrara, Italy)
Symbolism in art--Europe--Exhibitions.