1\ B.Sc. Honours dissertation: The effect of the entry site on the action of fenthion on Quelea quelea aethiopica (Sund) and Passer domesticus.

2\ M.Sc. thesis: Study on some ecological aspects and parasites of bats in the area around Khartoum and Dinder National Park.

3\ Postgraduate Diploma thesis: Food preference of the giraffe, Giraffe camelopardalis tippelskirchi Lydekker, during the long rainy season in Arusha National Park, Tanzania.

4\ Ph.D. thesis: The taxonomy and ecology of rodent species occurring in Um-Ruwaba District, North Kordofan, Sudan.