CHAPPE d'AUTEROCHE, Jean (1728-1769). Voyage en Sibrie fait... en 1761. Paris: Debure pre, 1768. 2 volumes only in 3 (lacking atlas volume), 4 (350 x 260 mm). Half-titles. Copper-engraved title vignette to vol. I part 1, one head-piece. 58 copper-engraved plates, maps and tables (comprising: 3 single-page maps, 3 single-page tables, 52 plates after Le Prince, Moreau le jeune and Caresme de Fcamp [4 double-page]). (Outer blank margins of last volume affected by damp, with some loss, affecting 19 plates and maps, some lighter damp damage to second vol.) Contemporary mottled sheep, spines gilt (worn and torn). Cf. Cohen-Ricci 225; sold not suject to return. (3)