Columbia subject headings:
Balzac, Honoré de, 1799-1850.
Balzac, Honoré de, Madame, approximately 1800-1881 or 1882.
Harvard subject headings:
Balzac, Honoré de, Madame, approximately 1800-1881 or 1882.
Balzac, Honoré de, 1799-1850.
Hanska, Ewelina Hrabina Rzewuska, afterwards Mme. de Balzac, 1804 or 1806-1882.
Princeton subject headings: