1. The polymorphism of Trypanosoma brucei and T. rhodesiense, its relation to relapses and remissions of infections in white rats and the effect of cortisone;Ashcroft;Annals of tropical Medicine and Parasitology,1957
2. Trypanosoma brucei: fluxes of the morphological variants in intact and X-irradiated mice;Balber;Experimental Parasitology,1972
3. Trypanosoma brucei: A rapid “matching” method for estimating the host's parasitaemia;Herbert;Experimental Parasitology,1976
4. Herbert, W. J. and Parratt, D. (In press). Virulence of trypanosomes in the vertebrate host. In Biology of the Kinetoplastida Vol. 2 (Eds. Lumsden, W. H. R. and Evans, D. A.). Academic Press, London.
5. First tsetse fly transmission of the “AnTat” serodeme of Trypanosoma brucei;Le Ray;Annales de la Société belge de Médecine tropicale,1977