Adams, J. (1822). Sketches taken during ten voyages to Africa, between the years 1786 and 1800, including observations on the Country between Cape Palmas and the River Congo and Cursory Remarks on the physical and moral Character of the Inhabitants: With an appendix, containing an account of the European Trade with the West Coast of Africa. With a Sketch of the Coast of Africa from Cape Palmas to Calabar. London: Hurst u.a.

Adams, John. Sketches Taken During Ten Voyages to Africa, between the Years 1786 and 1800, Including Observations On the Country between Cape Palmas and the River Congo and Cursory Remarks On the Physical and Moral Character of the Inhabitants: With an Appendix, Containing an Account of the European Trade With the West Coast of Africa. With a Sketch of the Coast of Africa From Cape Palmas to Calabar. London: Hurst u.a, 1822.

Adams, John. Sketches Taken During Ten Voyages to Africa, between the Years 1786 and 1800, Including Observations On the Country between Cape Palmas and the River Congo and Cursory Remarks On the Physical and Moral Character of the Inhabitants: With an Appendix, Containing an Account of the European Trade With the West Coast of Africa. With a Sketch of the Coast of Africa From Cape Palmas to Calabar. London: Hurst u.a, 1822.