1. Kormos, R., Boesch, C., Bakarr, M.I., and Butynski, T.M., (2003). West African Chimpanzees: Status Survey and Conservation Action Plan (Gland: IUCN - World Conservation Union).
2. Census and distribution of chimpanzees in Côte d'Ivoire;Marchesi;Primates,1995
3. Threatened primates experience high human densities: adding an index of threat to the IUCN Red List criteria;Harcourt;Biol. Cons.,2003
4. N'Goran, P.., (2007). Etat du parc national de Taï: Rapport de résultats de biomonitoring (Côte d'Ivoire: Unpublished report for the Wild Chimpanzee Foundation).
5. Ham, R.., (1997). Nationwide chimpanzee survey and large mammal survey, Republic of Guinea (Guinea-Conakry: Unpublished report for the European Communion).