1. Adanson, M. (1759) A Voyage to Senegal, the Isle of Goree, and the River Gambia. London, J. Nourse.
2. Aksoy, S., Pourhosseini, A. A. and Chow, A. (1995) Mycetome endosymbionts of tsetse flies constitute a direct lineage related to Enterobacteriaceae. Insect Molecular Biology. 4, 15–22.
3. Andersson, C. J. (1856) Lake Ngami; or, Explorations and Discoveries, during Four Years’ Wanderings in the Wilds of South Western Africa. London, Hurst and Blackett.
4. ——— (1914) Report of the Inter-Departmental Committee on Sleeping Sickness Cd 7349 and Minutes of Evidence Cd 7350. London, HMSO.
5. Arnaud. (1852) Mouche vénimeuse de l’Afrique Méridionale. Comptes Rendus Hebdomadaires des Scéances de l’Academie des Sciences. 35, 603.