Columbia subject headings:
Art, British--20th century--Exhibitions.
Art, British--Exhibitions.
Art, German--20th century--Exhibitions.
Art, German--Exhibitions.
Art--England--North Yorkshire--Exhibitions.
Harvard subject headings:
Art, British--Exhibitions
Art, German--Exhibitions.
Art, Modern--20th century--Germany--Exhibitions.
Art, Modern--20th century--Great Britain--Exhibitions.
Princeton subject headings: