Honoré de BALZAC. Physiology of marriage or Meditations of eclectic philosophy on conjugal happiness and unhappiness. Published by a young bachelor. Paris, Levavasseur et Urbain Canel, 1830, 2 volumes in an in-8 bound half calf, smooth spine decorated with gilt fleurons. Minor foxing. Provenance: Alain de Rotschild library (bookplate). First edition. Published without an author's name, it is best known for its warning to the reader ending with the words "Les dames n'entrent pas ici" and for the typographical trickery on pp. 207-210 of the second volume.

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