Unpublished survey report archive
Brncic, T., Amarasekaran, B. & McKenna, A. (2010). Sierra Leone National Chimpanzee Census. Tacugama Chimpanzee Sanctuary, Freetown, Sierra Leone – download PDF
Campbell, G. & Houngbedji, M. (2015). Conservation Status of the West African Chimpanzee (Pan troglodytes verus) in Togo and Benin. Report to the Primate Action Fund, Arlington, VA – download PDF
Ham, R. (1998). Nationwide Chimpanzee Survey and Large Mammal Survey, Republic of Guinea . Report to the European Union, Guinea-Conakry - download PDF
Tutin, CEG and Fernandez, M. (1983). Gorilla and Chimpanzee Census of Gabon . International Center for Medical Research of Franceville (CIRMF), Franceville - download PDF
Uhlenbroek, C. (1990). The Ecology of Chimpanzees (Pan troglodytes schweinfurthii) in a Fragmented Habitat . The Jane Goodall Institute, Burundi - download PDF
Williamson, E.A. & Usongo, L. (1995). I. Census of Primate Populations and Inventory of Large Mammals II. Elephant, Gorilla and Chimpanzee Census, Dja Wildlife Reserve, Cameroon. Report to ECOFAC/AGRER - download PDF
