Columbia subject headings:
Balzac, Honoré de, 1799-1850. Chef-d'oeuvre inconnu.
Illustration of books--France--19th century.
Illustration of books--France--20th century.
Harvard subject headings:
Balzac, Honoré de, 1799-1850. Chef-d'œuvre inconnu.
Illustration of books--19th century--France.
Illustration of books--France--20th century
Princeton subject headings:
Balzac, Honoré de, 1799-1850. Chef-d'œvre inconnu.
Illustration of books--19th century--France.
Illustration of books--France--20th century.