ROUSSEAU, Jean-Jacques (1712-78). Oeuvres, Amsterdam, 1769, 11 volumes, 12mo, 5 engraved frontispieces and 36 plates, contemporary calf gilt. With John Tillotson's The Works (Edinburgh, 1748, 9 vols. only (of 10, lacking vol. 4), 12mo, calf. (20)

ROUSSEAU, Jean-Jacques (1712-78).  Oeuvres ... Nouvelle édition Revue, corrigée, & augmentée de plusieurs morceaux qui n' avoient point encore paru. Amsterdam: Chez Marc-Michel Rey, 1769. 11 volumes, 12mo (168 x 105mm). 5 engraved frontispieces, title vignettes, 36 engraved plates, including 19 double-sided folding engraved plates of music notation (occasional mainly light spotting and staining, a few darker stains). Attractively bound in contemporary French speckled calf, the spines gilt with red and black morocco lettering-pieces and with thistle motifs in the compartments of the spines (extremities lightly rubbed). With John Tillotson's The Works (Edinburgh, 1748, 9 volumes only (of 10, lacking volume 4), 12mo, contemporary calf gilt). (20)