Columbia subject headings:
Art--Italy--Rome--20th century.
Nathan, Ernesto, 1845-1921.
Rome (Italy)--Cultural policy--History--20th century.
Harvard subject headings:
Princeton subject headings:
Art and state--Italy--Rome--History--20th century.
Arts, Italian--Italy--Rome--20th century.
Nathan, Ernesto, 1845-1921--Art patronage.
Rome (Italy)--Cultural policy--History--20th century.