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 (September, 2007) http://www.iucnredlist.org
• 2. del Hoyo, J., Elliott, A. and Sargatal, J. (2003) Handbook of the Birds of the World. Vol.8: Broadbills to Tapaculos. Lynx Edicions, Barcelona.
• 3. Rockefeller, J.S. and Murphy, C.B.G. (1933) The Rediscovery of Pseudocalyptomena. Auk, 50: 23 - 29.
• 4. Burnie, D. (2001) Animal. Dorling Kindersley, London.
• 5. BirdLife International (October, 2007) http://www.birdlife.org/datazone/ebas/index.html?action=SpcHTMDetails.asp&sid=4028&m=0
• 6. UNEP-WCMC: World Heritage Sites (October, 2007) http://www.unep-wcmc.org/sites/wh/pdf/Kahuzi-Biega.pdf
• BirdLife International 2008. Pseudocalyptomena graueri
• Demey, R., & Louette M.   (2001).  Democratic Republic of Congo.  (FishpoolL D C., EvansM I., Ed.).Important Bird Areas in Africa and associated islands: Priority sites for Conservation. 199-218. Newbury and Cambridge, U.K.: Pisces Publications and BirdLife International.
• Gill, Frank, and Minturn Wright. 2006. Birds of the World: Recommended English Names. ix + 259
• Keith, S., E. K. Urban, and C. H. Fry. 1992. The Birds of Africa. Volume Four. Academic Press.
• Lack, P.   (2010).  The African Bird Club checklist of African birds: Passerines.  
• Lambert, F. and Woodcock, M. 1996. Pittas, Broadbills and Asities. Pica Press, Mountfield, Sussex, United Kingdom.