Columbia subject headings:
Art, Modern--19th century.
Art, Modern--20th century.
Realism in art.
Harvard subject headings:
Art, Modern--19th century
Art, Modern--20th century
Realism in art.
Princeton subject headings:
Idealism in art.
Painting, French--19th century.
Painting, Modern--20th century--Germany.
Painting, Modern--20th century--Soviet Union.
Realism in art.