Columbia subject headings:
Color in art.
Painting, French--19th century.
Painting, French--20th century.
Painting, German--19th century.
Painting, German--20th century.
Harvard subject headings:
Artists--Biography.
Color in art.
Painting, Modern--19th century
Painting, Modern--20th century
Princeton subject headings:
Color in art.
Painting, French--19th century.
Painting, German--19th century.
Painting, Modern--20th century--France.
Painting, Modern--20th century--Germany.