Columbia subject headings:
Art, American--20th century--Exhibitions.
Art, Municipal--United States--Exhibitions.
Urban beautification--United States--Exhibitions.
Harvard subject headings:
Art, American--20th century--Exhibitions
Art, Modern--20th century--United States--Exhibitions.
Art, Municipal--United States--Exhibitions.
Public art--United States--Exhibitions.
Urban beautification--United States--Exhibitions.
Princeton subject headings:
Art, American--20th century--Exhibitions.
Art, Municipal--United States--Exhibitions.
Urban beautification--United States--Exhibitions.