Columbia subject headings:
Art, Modern--20th century.
Avant-garde (Aesthetics)--History--20th century.
Cercle et carré (Group)
Harvard subject headings:
Art, Modern--20th century
Avant-garde (Aesthetics)--History--20th century.
Cercle et carré (Group)
Princeton subject headings:
Art, French--20th century.
Avant-garde (Aesthetics)--France--History--20th century.
Painting, French.
Painting, Modern--20th century--France.