Latham, A. J. H. Old calabr, 1600-1891: the impact of the international economy upon a traditional society / by A. J. H. Latham. - Clarendon Press : Oxford, 1973. - xiv, 193 p. : maps. ; 22 cm. - Oxford studies in African affairs. . Bibliography: p. 166-178. Subjects--Topical Terms: Slave--trade--Nigeria. Subjects--Geographic Terms: Calabar (Nigeria)--Economic conditions.