Columbia subject headings:
Art, American--20th century--Exhibitions.
Art--America--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--Canada--Exhibitions.
Art, Modern--20th century--Caribbean Area--Exhibitions.
Art, Modern--20th century--Latin America--Exhibitions.
Art, Modern--20th century--United States--Exhibitions.
Art--America--20th century--Exhibitions.
Art--America--Exhibitions.
Princeton subject headings: