Columbia subject headings:
Art, American--20th century--Themes, motives--Exhibitions.
Art, American--Themes, motives--Exhibitions.
Avant-garde (Aesthetics)--United States--History--20th century--Themes, motives--Exhibitions.
Sculpture, Canadian--20th century--Themes, motives--Exhibitions.
Sculpture, Canadian--Themes, motives--Exhibitions.
Harvard subject headings:
Art, American--Themes, motives--Exhibitions.
Art, Modern--20th century--United States--Themes, motives--Exhibitions.
Avant-garde (Aesthetics)--United States--History--20th century--Themes, motives--Exhibitions.
Sculpture, Canadian--Themes, motives--Exhibitions.
Sculpture, Modern--20th century--Canada--Themes, motives--Exhibitions.
Princeton subject headings:
Art, American--20th century--Themes, motives.
Avant-garde (Aesthetics)--United States--History--20th century--Themes, motives.