The natural history of Aleppo, and parts adjacent : containing a description of the city, and the principal natural productions in its neighbourhood : together with an account of the climate, inhabitants, and diseases, particularly of the plague, with the methods used by the europeans for their preservation /

Mode of access: Internet.

Select specimens of natural history, collected in travels to discover the source of the Nile, in Egypt, Arabia, Abyssinia, and Nubia : Vol. V

Mode of access: Internet.

An account of the native Africans in the neighbourhood of Sierra Leone : to which is added, an account of the present state of medicine among them /

Diccionarios de las lenguas timmanee, bullom y soosoo: p. 337-362, del primer tomo.