A voyage to Abyssinia and travels into the interior of that country, executed under the orders of the British government, in the years 1809 and 1810; in which are included, an account of the Portuguese settlements on the east coast of Africa, visited in the course of the voyage; and a concise narrative of late events in Arabia Felix; and some particulars respecting the aboriginal African tribes, extending from Mosambique to the borders of Egypt; together with vocabularies of their respective languages
The Kilima-Njaro Expedition: A Record of Scientific Exploration in Eastern Equatorial Africa and a General Description of the Natural History, Languages, and Commerce of the Kilima-Njaro District
Vocabularies of the dialects spoken by different tribes of the natives inhabiting the coast of Africa, from Mosambique to the borders of Egypt, with a few others spoken in the interior of that continent
Game animals of Ethiopia: a short guide for hunters and animal lovers, illustrated and giving the names of each animal in the principal Ethiopian languages