Columbia subject headings:
Art, American--20th century.
Art, Municipal--United States.
Environment (Art)--United States.
Federal aid to the arts--United States.
Harvard subject headings:
Art, American--20th century
Art, American--20th century.
Art, Municipal--United States.
Environment (Art)--United States.
Federal aid to the arts--United States
Public art--United States.
Princeton subject headings:
Art, American--20th century.
Art, Municipal--United States.
Environment (Art)--United States.
Federal aid to the arts--United States.