Inserto en el volumen 9 de la colección J.A.D.L. (José Antonio Delgado Luis).
Título original: Impressions of Western Africa, with remarks on the diseases of the climate and a report on the pecularities of trade up the rivers in the bight of Biafra. Edición original: Longman, Brown, Green, Longmans and Roberts, London, 1858