1. 13 Smith G. K. (1962): Report on Soil and Agricultural Survey of Sene-Obosum River Basin, East Brong Ahafo and Ashanti Regions, Ghana. (US Department of State, AID, Washington, DC.)
2. 10 Gold Coast Government (1901): McCarthy, Cap. 203, Ordinance No. 2, 1901.
3. 9 Ghana Government (1968): Economic Survey of Ghana.
4. 8 Ghana Government (1961): Wild Animals Preservation Act, 1961 (Act 43).
5. 12 Haywood Col. A. H. W. (1933): Reports of Special Mission to West Africa to inquire into the preservation of Wild Life, 1931–1932. (Society for The Preservation of the Fauna of the Empire. Occasional Paper No. 2.)