DE BAUDOT (A.) ROUSSEL (J.). Unpublished drawings by Viollet-le-Duc. Paris, Armand Guérinet, s.d. In-folio in boards in a cardboard folder, containing 59 plates in black, notably of architecture and page frames. (slight foxing and wear in the margins) Joint : VIOLLET-LE-DUC (Eugène). Entretiens sur l'architecture. Paris, A. Morel, 1863. In-4 oblong in sheets in slipcase containing 31 plates in black. Atlas only. (incomplete of 6 plates, foxing, worn and soiled folder)