1. Babcock, O.G. and Black, W.L., 1933. The common sheep scab mite and its control.Texas Agricultural Experiment Station Bulletin,479, 1–34
2. Bedford, G.A.H., 1915.Third and Fourth Reports of the Director of Veterinary Research, Department of Agriculture, Union of South Africa, 1–99
3. Dill, R., 1920. Facts about ‘scab’ in sheep.National Woolgrower,10, 16
4. Du Toit, P.J., 1924. Sheep scab: The infectivity of kraals.Report of Director of Veterinary Research, Union of South Africa,9 & 10, 223–229
5. Hertwig, C.H., 1835. Some studies on the survival time of the sheep scab mite under different ambient conditions.Magazin des Gesellschaft fur Tierheilkunde,1, 137–164