[13] "United Service Magazine," Dec., 1850.
[14] "United Service Journal," Nov., 1850.
[15] Daniell in "Transactions of the Ethnological Society."
[16] "United Service Journal," Nov., 1850.
[17] Dr. Daniell on the Natives of Old Calabar, "Transactions of the Ethnological Society."
[18] Rask.—Vejledning tel Acra-sproget, paa Kysten Ginea, med et Tillaeg om Akvambuisk.—Copenhagen, 1828. Introduction to the Acra Language, on the Coast of Guinea, with an Appendix on the Akvambu.
[19] "Journal of the American Oriental Society," vol. i. no. 4.
[20] "British Colonies." By M. Martin.
[21] "Journal of the Geographical Society," vol. v. p. 319.