Hancock, J. (1835). Observations on the climate, soil, and productions of British Guinea: And on the advantages of emigration to, and colonizing the interior of, that country; together with incidental remarks on the diseaese, their treatment and prevention; .. James Fraser; John Hatchard and Son; George Mann.

Hancock, John. Observations on the Climate, Soil, and Productions of British Guinea: And on the Advantages of Emigration to, and Colonizing the Interior of, That Country; Together with Incidental Remarks on the Diseaese, Their Treatment and Prevention; .. James Fraser; John Hatchard and Son; George Mann, 1835.