Reau, Louis. HOUDON Sa Vie et son Oeuvre. 4 parts in 2 volumes. Vol. I: Sources: Biographie et Etude de l'Oeuvre, 499 pp. text; Vol. II: Catalogue de l'Oeuvre: Reproductions, 88 pp. text and hundreds of illustrations on 160 plates. Large 4to, cloth. Paris, De Nobele, 1964.
Catalogue Raisonné.The standard work. Freitag 4499. Volume I lacks the dustjacket, else a very good set.