GILLY, William Stephen. (1789-1855). Narrative of an Excursion to the Mountains of Piemont. London: C. And J. Rivington, 1824. Folio, engraved frontispiece, 12 plates, 2 folding maps (previous owner's inscription inside on title page, minor tears to maps, without loss, occasional spotting). Contemporary half calf (spine and boards rubbed). With William Beattie's The Waldenses or Protestant Valleys of Piedmont and Dauphiny. London: Geo. Virtue, 1836. Folio., engraved plates, 1 map. (All plates present, though some mis-bound, pp. 3 & 4: torn with loss to base, old repair to verso of map, occasional spotting). Later black cloth, spine titled in gilt. Provenance: (armorial bookplate to front pastedown) Alfred Thomas Keene. With one other work of related interest. (3)