LYON, George Francis (1795-1832). A Narrative of Travels in Northern Africa. London: Thomas Davison for John Murray, 1821. 4° (268 x 213mm). Folding engraved map, 17 hand-coloured lithographic plates. (Slight offsetting to map, small tear to lower margin of one plate.) Contemporary calf gilt (spine slightly darkened). Provenance: Robert Henry Clive (armorial bookplate). FIRST EDITION. -- Frederick William & Henry William BEECHEY. Proceedings of the Expedition to explore the northern coast of Africa. London: William Clowes for John Murray, 1828. 4° (276 x 210mm). Errata slip bound in. 22 plates and maps (11 aquatint, 11 engraved, including a folding map, 2 hand-coloured aquatints, another of the aquatints folding. (Some slight spotting, the folding aquatint torn at the folds.) Contemporary calf gilt (slight darkening of spine). FIRST EDITION. -- and three others of African interest (James RILEY. Loss of the American Brig Commerce, wrecked on the western coast of Africa ... with an account of Timbuctoo, and ... Wassanah. 1817, 4°; J.K.TUCKEY. Narrative of an Expedition to explore the River Zaire. 1818, 4°; G.MOLLIEN. Travels in the Interior of Africa, to the sources of the Senegal and Gambia. 1820, 4°). (5)