Lettres sur la Decouverte de L'Ancienne Ville, D'Herculane, Et de ses principales Antiquities. Yverdon, 1770. Vol. 1 and 2. 16mo (6 3/4in.). Mottled calf, gilt spine with gilt morocco labels, marbled endpapers. Condition: Good; each with peeling/scratching to leather, wear/slight losses to ends of spine, edge and corner wear, toning/foxing. Vol. 1 with slight splitting to outer hinge. Vol. 2 with considerable splitting to back outer hinge but still solidly attached, tiny hole in title page, u/r dampstain extending from title page to approx. p. 105, and approx. p. 109-271, and ballpoint pen price on flyleaf. Together with: Le Voyageur Francois, ou La Connoissance de L'Ancien et du Nouveau Monde Mis au jour par M. l'Abbe Delaporte. Nouvelle Edition. Tome XX. Paris: L. Cellot, 1778. 16mo (6 3/4in.). Mottled calf, gilt to spine, marbled endpapers. Condition: Good; edge and corner wear; wear to spine and losses to each end; faint dampstain to front cover; toning/soiling of front endpapers and half title; large dampstain extending from half title to p. 8; toning; thin dark dampstain mostly on top edge extending through approx. last eight leaves. (3 volumes total)