Columbia subject headings:
Art brut--France--Exhibitions.
Outsider art--France--Exhibitions.
Painting, French--20th century--Themes, motives--Exhibitions.
Spiritualism in art--Exhibitions.
Harvard subject headings:
Art brut--France--Pas-de-Calais--Exhibitions.
Crépin, Fleury Joseph, 1875-1948--Exhibitions.
Lesage, Augustin, 1876-1954--Exhibitions.
Painting, French--France--Paris--Exhibitions.
Simon, Victor, 1903-1976--Exhibitions.
Spirit art--France--Pas-de-Calais--Exhibitions.
Princeton subject headings: