1. M. H. Arnold(1957 ). Diseases.Prog. Rep. Exp. Stas., Tanganyika Territory, Lake Province. Season1955-56, 13 -18 .
2. M. H. Arnold(1957 ). Resistance to bacterial blight (Xanthomonas malvacearum) in Lake Province ‘Local’ Cotton. (Paper at Samaru Conference, Nigeria.).
3. C. G. Hansford(1934 ). Blackarm disease in Uganda .Rep. Second Conf. Cott. Gr. Probl. Emp. Cott. Gr. Corp. 178 -88 .
4. The genetics of blackarm resistance