476. DIDEROT (Denis). OEuvres complètes. A Paris, chez J. L. J. Brière, 1821, 22 vol. in-8, green Russian half-leather with corners, smooth spine decorated, endowed fillets (period binding). A very good collective edition, including Naigeon's preface. 2 frontispiece portraits. Volume XXII contains Mémoires historiques et philosophiques sur la vie et les ouvrages de D. Diderot, by J. A. Naigeon. A good copy. Some foxing. Damage to a headband.