Columbia subject headings:
Art nouveau--Europe, Central--Exhibitions.
Harvard subject headings:
Architecture (Art nouveau)--Europe, Central--Exhibitions.
Art nouveau--Europe, Central--Exhibitions.
Art, European--Europe, Central--Exhibitions.
Art, Modern--19th century--Europe, Central--Exhibitions.
Art, Modern--20th century--Europe, Central--Exhibitions.
Princeton subject headings:
Art nouveau--Central Europe.