HUME, David (1711-76) & Jean-Jacques ROUSSEAU (1712-78). Exposé Succinct de la Contestation qui s' est élevée entre M. Hume et M. Rousseau, avec les pieces justificatives, edited by d' Alembert and J. B. A. Suard. "Londres": [n.p.], 1766. 12° (171 x 95mm). Woodcut ornament on title, press figures (some light browning and spotting). Modern calf, spine gilt with red morocco lettering-piece. Provenance: heavily deleted signature at head of title. A pirated edition printed in the same year as the first.