1. Arthur, D.R. (1962). Ticks and Disease. (Oxford: Pergamon Press)
2. Barnard, J.H. (1967). Allergic and pathologic findings in 50 insect-sting fatalities. J. Allergy, 40, 107–114
3. Benjamini, E., Feingold, B.F. and Kartman, L. (1960). Antigenic properties of the oral secretion of fleas. Nature, 188, 959–960
4. Derbes, V.J. (1976). Injurious effects in man induced by animals. In Demis, D.J., Dobson, R.L. and McGuire, J. (eds.) Clinical Dermatology, Vol. 4 (New York: Harper & Row)
5. Evans, G.O.J., Sheals, J.G. and MacFarlane, D. (1961). The Terrestrial Acari of the British Isles: An Introduction to their Morphology, Biology and Classification. (London: British Museum)