Columbia subject headings:
Arts, European--20th century--Exhibitions.
Arts, European--Europe, Central--20th century--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--Europe, Central--Exhibitions.
Art, Modern--20th century--Europe, Eastern--Exhibitions.
Arts, Modern--20th century--Europe, Central--Exhibitions.
Arts, Modern--20th century--Europe, Eastern--Exhibitions.
Princeton subject headings:
Art, German--20th century--Exhibitions.
Art, Modern--20th century--Czech Republic--Exhibitions.
Art, Modern--20th century--Slovakia--Exhibitions.
Art, Polish--20th century--Exhibitions.