WILKES, CHARLES Narrative of the United States Exploring Expedition. During the Years 1838, 1839, 1840, 1841, 1842. Philadelphia: s.n., 1849-1850.5 (of 6) vols. only. 8vo, full gilt-stamped calf, gilt-tooled and -lettered spines. Illustrated with engraved plates, maps and charts throughout, some folding. Calf worn and chipped at spines with loss; bookplates tipped to front pastedowns; dampstaining affecting all vols.; intermittent foxing and brownspotting; offsetting from plates.