The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

• 1. IUCN Red List (March, 2009) http://www.iucnredlist.org
• 10. UNEP-WCMC: Okapi Wildlife Reserve, Democratic Republic of the Congo (October, 2007) http://www.unep-wcmc.org/sites/wh/pdf/Okapi%202.pdf
• 1999. "Chimps incorporated" (On-line). Accessed November 30, 1999 at http://www.chimps-inc.com/links.html.
• 2. Macdonald, D.W. (2006) The Encyclopedia of Mammals. Oxford University Press, Oxford.
• 3. CITES (October, 2007) http://www.cites.org
• 4. Alden, P.C., Estes, R.D., Schlitter, D. and McBride, B. (1995) Collins Guide to African Wildlife. HarperCollins Publishers, London.
• 5. African Mammals Database (October, 2007) http://www.gisbau.uniroma1.it/amd/amd068.html
• 6. Richardson, M. (March, 2009) Pers. Comm.
• 7. Nowak, R.M. (1999) Walker's Mammals of the World. Sixth edition. Johns Hopkins University Press, Baltimore and London.
• 8. Strier, K.B. (2002) Primate Behavioural Ecology. Allyn and Bacon, Massachusetts.
• 9. UNEP-WCMC: Kahuzi-Biéga National Park, Democratic Republic of the Congo (October, 2007) http://www.unep-wcmc.org/sites/wh/pdf/Kahuzi-Biega.pdf
• Knight, T. 1999. "Owl-faced or Hamlyn's Monkey" (On-line). Accessed November 30, 1999 at http://www.selu.com/~bio/wildlife/mammal/C_hamlyni/C_hamlyni.html.
• Lindenfors, P. "Primate data" (On-line). Accessed November 30, 1999 at http://www.zoologi.su.se/personal/patrik/PrimData.htm.
• Mommens, J. 1998. "Taxonomy : Scientific" (On-line). Accessed November 30, 1999 at http://mommensj.web2010.com/taxon_sc.htm.
• Primate Gallery Archive, "Subfamily Cercopithecinae - Cercopithecus: Guenons" (On-line). Accessed November 30, 1999 at http://www.selu.com/~bio/PrimateGallery/primates/Cercopithecus.html.
• Richard Weigl (2005) Longevity of Mammals in Captivity; from the Living Collections of the World. Kleine Senckenberg-Reihe 48: Stuttgart.
• Rose, A. "WSPA BUSH MEAT REPORT" (On-line). Accessed November 30, 1999 at http://www.primate.wisc.edu/pin/news/apn2.1.html#Heading61.
• Spearman, L. "Beaver College Psychobiology and Biology Programs: Owl-Faced Monkey *Cercopithecus hamlyni* Web Site" (On-line). Accessed November 30, 1999 at http://bioko.beaver.edu/hamlyn/.
• The Primate Gallery, July 29, 1998. "Living Primate Species" (On-line). Accessed November 30, 1999 at http://www.selu.com/~bio/PrimateGallery/primates/species.html#Cercopithecidae.
• The Zoological Society of Philadelphia, 1996. "Owl-Faced Guenon" (On-line). Accessed November 30, 1999 at http://www.phillyzoo.org/pz0023.htm.
• Wilson, Don E., and DeeAnn M. Reeder, eds. 1993. Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing. xviii + 1207
• Wilson, Don E., and F. Russell Cole. 2000. Common Names of Mammals of the World. xiv + 204
• uakari@discoverymail.com, "Primate Behavior: Hamlyn’s Monkey (Cercopithecus hamlyni)" (On-line). Accessed November 30, 1999 at http://members.tripod.com/uakari/cercopithecus_hamlyni.html.