1. Achtman, M., Morelli, G., Zhu, P., Wirth, T., Diehl, I., Kusecek, B., Vogler, A., Wagner, D. M. Allender, C. J., Easterday, W. R., Chenal-Francisque, V., Worsham, P., Thomson, N. R., Parkhill, J., Lindler, L. E., Carniel, E. and Keim, P. (2004) Microevolution and history of the plague bacillus, Yersinia pestis. Proceedings of the National Academy of Sciences USA. 101, 17837–17842.
2. Ainsworth, J. (1905) Reports Relating to the Administration of the East Africa Protectorate. Africa. No.6 (1905). London, HMSO.
3. Allen, P. (1979) The “Justiniac” Plague. Byzantion. 49, 5–20.
4. Alpinus, P. (1735) Historiæ Ægypti Naturalis Pars Prima Qua continentur Rerum Ægyptiarum Libri Quatuor. Lugduni, Gerardum Potuliet.
5. ——— (1899) Two Kings of Uganda; or, Life by the Shores of Victoria Nyanza. Being an Account of a Residence of Six Years in Eastern Equatoria, Africa. London, Sampson, Low, Marston, Searle, & Rivington.