1. The National Park of Gorongoza
2. A checklist of African mammals;Allen G. M.;Bull. Mus. comp. Zool. Harv.,1939
3. Mammals from British East Africa, collected by the Tjäder expedition of 1906;Allen J. A.;Bull. Amer. Mus. nat. Hist.,1909
4. The Sudan's Southern National Park;Anderson A. B.;Afr. wild Life,1949