Columbia subject headings:
Art brut--France--Nord-Pas-de-Calais.
Gardens--France--Nord-Pas-de-Calais.
Outdoor sculpture--France--Nord-Pas-de-Calais.
Harvard subject headings:
Art, Amateur--France--Nord-Pas-de-Calais--Pictorial works.
Garden ornaments and furniture--France--Nord-Pas-de-Calais--Pictorial works.
Gardens--France--Nord-Pas-de-Calais--Pictorial works.
Princeton subject headings:
Art, Amateur--France--Nord-Pas-de-Calais--Pictorial works.
Garden ornaments and furniture--France--Nord-Pas-de-Calais--Pictorial works.