BOURRIT, Marc Théodore (1735-1815). Description des Aspects du Mont-Blanc du côté de la Val d'Aost. Lausanne: la Société Typographique, 1776. 8° (200 x 115mm). Letterpress folding table of heights (clean tear along one fold), woodcut head- and tail-pieces. Contemporary mottled sheep (base of spine chipped, lightly rubbed). FIRST EDITION. Lonchamp 407 (in 2 vols.) -- Description des Alpes pennines et rhétiennes. Geneva: J. P. Bonnant, 1781. 2 volumes, 8° (200 x 123mm). Folding engraved map by C. G. Geissler after the author, 8 engraved views by Angel Moitte after the author. (Repair to inner margin of F4, vol. I, penultimate quire of vol. II lightly browned). Contemporary calf-backed marbled boards (corners rubbed). Provenance: library stamps on titles; J. Uginet (bookplate). FIRST EDITION. Lonchamp 406. -- Nouvelle Description des Vallées de Glace et des Hautes Montagnes qui forment la chaîne des Alpes pennines et Rhétiennes. Geneva: Paul Barde, 1783. 2 volumes, 8° (203 x 120mm). Half-titles, folding engraved map by C. G. Geissler after Bourrit, 8 engraved plates by Angel Moitte after Bourrit. (2 leaves with tears to lower blank margins, without loss.) Contemporary speckled calf, spines gilt in six compartments with red morocco lettering-piece (front hinge of vol. I cracked). Provenance: William Constable, F.R.S., F.A.S. (armorial bookplates). Second edition of the preceding work. Lonchamp 415 (requires only 7 plates). -- Nouvelle Description des Glacières et Glaciers de Savoye, particulièrement de la vallée de Chamouni et du Mont-Blanc. Geneva: Paul Barde, 1785. 8° (203 x 120mm). Engraved frontispiece view of Mont Blanc, 4 engraved plates by Schellenberg and others after Bourrit. Uniformly bound with the preceding work (slight crack to front joint). Provenance: William Constable, F.R.S., F.A.S. (armorial bookplate). Lonchamp 414. -- Description des Cols ou Passages des Alpes. Geneva: Luc Sestié for G. J. Manget, 1803. 2 volumes, 8° (196 x 110mm). Engraved frontispiece of the Glacier des Bossons, 3 engraved plates by Angel Moitte after Bourrit. (Lacking final blank to vol. I, short tear to outer margin of pp.139-40 of vol. II, just affecting text.) Later boards, paper lables on spines (spines faded). Lonchamp 409. (8)