1. The course of the last major plague of the African Migratory Locust, 1928 to 1941;Batten;Pl. Prot. Bull. FAO,1966
2. Outbreaks of the African Migratory Locust (Locusta migratoria migratorioides R and F) since 1871;Betts;Anti-Locust Mem,1961
3. Armyworm forecasting service;Betts;Rec. Res. E. Afr. Agric. For. Res. Org,1971
4. In press Light-trap and suction-trap catches of insects in the northern Gezira, Sudan, in the season of southward movement of the Inter-Tropical Front;Bowden;Bull. ent. Res,1973
5. Seasonal changes in distribution of the African armyworm, Spodoptera exempta (Wlk) (Lep. Noctuidae), with special reference to eastern Africa;Brown;Ibid,1969