Columbia subject headings:
Art, French--France--Nord-Pas-de-Calais--20th century--Exhibitions.
Harvard subject headings:
Art, French--20th century--Nord-Pas-de-Calais--Exhibitions.
Art, French--France--Nord-Pas-de-Calais--Exhibitions.
Princeton subject headings:
Art, French--France--Nord-Pas-de-Calais--20th century--Exhibitions.