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, 2008) http://www.iucnredlist.org
• 2. Tortoise Trust (December, 2006) http://www.tortoisetrust.org/care/csulcata.html
• 3. CITES: Consideration of Proposals for Amendment of Appendices I and II Prop. 11.38. (December, 2006) http://www.cites.org/eng/cop/11/prop/38.pdf
• 4. Animal Diversity Web (December, 2006) http://animaldiversity.ummz.umich.edu/site/accounts/information/Geochelone_sulcata.html
• 5. Turtles of the World (CD-ROM), by Ernst, C.H., Altenburg, R.G.M. and Barbour, R.W. (December, 2006) http://nlbif.eti.uva.nl/bis/turtles.php?selected=beschrijving&menuentry=soorten&id=374
• 6. WhoZoo: Animals of the Fort Worth Zoo (December, 2006) http://whozoo.org/Intro2001/kimstagg/KES_africanspurredturtle.htm
• 7. Seneca Park Zoo (December, 2006) http://senecaparkzoo.org/resources/pdf/spurred_tortoise.pdf
• Bonin, F., Devaux, B. & Dupré, A. 2006. Turtles of the World. English translation by P.C.H. Pritchard. Johns Hopkins University Press, 416 pp.
• Chirio, L. & Lebreton, M. 2007. Atlas des reptiles du Cameroun. MNHN, IRD, Paris 688 pp.
• Devaux, B. 2004. Centrochelys sulcata. The tortoise that weeps. Reptilia (GB) (37): 20-26.
• Duméril, A. M.C., G. BIBRON & A. DUMÉRIL. 1854. Erpétologie générale ou Histoire Naturelle complète des Reptiles. Vol. 9. Paris, XX + 440 S.
• Duméril, A.M.C., and G. Bibron. 1835. Erpétologie Générale ou Histoire Naturelle Complète des Reptiles, Vol. 2. Librairie Encyclopédique de Roret, Paris, iv + 680 p.
• Ernst, C., R. Barbour. 1989. Turtles of the World. Washington D.C., and London: Smithsonian Institution Press.
• Ernst,C.H. and Barbour,R.W. 1989. Turtles of the World. Smithsonian Institution Press, Washington D.C. - London.
• Fedorchuck, W. 1999-2000. "African Spurred Tortoise Profile and Maintenance Guide" (On-line). Accessed April 5, 2001 at http://www.tortoiseaid.org/sulcata.html.
• Frank & Kate's Web Page (Online source)
• Harless, M., H. Morlock. 1979. Turtles: Perspectives and Research. New York and Canada: John Wiley & Sons, Inc..
• Herz, Mario. 2010. Die Spornschildkröte Geochelone sulcata. Natur und Tier Verlag, 64 pp.
• Hirth, H., and E.M.A. Latif. 1981. Morphometrics of the spurred tortoise, Geochelone sulcata, in the Sudan. Journal of Herpetology 15 (1): 120-121.
• Hughes, B. 1986. Longevity Records of African Captive Amphibians and Reptiles: Part 1: Introduction and Species List 1 - Amphibians and Chelonians. Jour. Herp. Ass. Afr. (32): 1-5.
• Iverson, J. B. 1992. A Revised Checklist with Distribution Maps of the Turtles of the World
• Kaplan, M. 1996. "Sulcata Tortoises" (On-line). Accessed April 5, 2001 at http://www.anapsid.org/sulcata.html.
• Kaplan, Melissa. 1996. African spurred tortoises, Geochelone sulcata. Reptile & Amphibian Magazine 1996 (Sept./Oct.): 32-45.
• Kleiner, M. 1988. Zur Haltung und Zucht der Spornschildkröte eochelone sulcata (MILLER 1779). Herpetofauna 10 (52): 6-10.
• Largen, M.J.; Spawls, S. 2010. Amphibians and Reptiles of Ethiopia and Eritrea. Edition Chimaira, Frankfurt, 694 pp.
• Le, Minh; Christopher J. Raxworthy, William P. McCord and Lisa Mertz. 2006. A molecular phylogeny of tortoises (Testudines: Testudinidae) based on mitochondrial and nuclear genes. Molecular Phylogenetics and Evolution 450 (2): 517-531.
• Livoreil, Barbara; and Van Der Kuyl, Antoinette C. 2005. Genetic Analysis of Mitochondrial DNA Variation in Eastern and Western African Spurred Tortoises (Geochelone sulcata). Chelonian Conserv. Biol. 4 (4): 951-954.
• Loveridge, Arthur & Williams, Ernest E. 1957. Revision of the African Tortoises and Turtles of the Suborder Cryptodira. Bull. Mus. Comp. Zool. Harvard 115 (6): 163-557.
• Miller, L. 1779. Icones animalium et plantarum (Various subjects of natural history, wherein are delineated birds, animals, and many curious plants . . .). Letterpress, London. 10 pp. [published 1776-1782].
• Nickel, H. & ould Selah, D. 2006. African Spurred tortoises in Mauritania. Geochelone sulcata. Reptilia (GB) (48): 60-64.
• Padial, J. M. 2006. COMMENTED DISTRIBUTIONAL LIST OF THE REPTILES OF MAURITANIA (WEST AFRICA). Graellsia, 62(2): 159-178.
• Romairone, Adrian. 1996. Dimorfismo sexual en ejemplares adultos de Geochelone sulcata (Miller, 1779). Reptilia 2 (8): 50.
• Sindaco, R. & Jeremcenko, V.K. 2008. The reptiles of the Western Palearctic. Edizioni Belvedere, Latina (Italy), 579 pp.
• Spawls, S.; Howell, K.; Drewes, R.C. & Ashe, J. 2001. A field guide to the reptiles of East Africa. Academic Press, 543 pp. [reviews in HR 34: 396 and Afr. J. Herp. 51; 147].
• The Turtles' Village of Senegal, December 9, 1997. "Biology et Ecology of Geochelone sulcata" (On-line). Accessed April 25, 2001 at http://gallery.uunet.be/FRD/ebiosulc.htm.
• Valverde, J. 2004. Giant tortoises. Reptilia (GB) (37): 11-19.
• Valverde, J. 2005. African Tortoises. Reptilia (GB) (43): 12-20.
• Valverde, J. 2005. Afrikanische Landschildkröten. Reptilia (Münster) 10 (6): 18-25.
• Vinke, T. & Vinke, S. 2005. Die Lanschildkröten Afrikas - Vielfalt durch Anpassung an extreme Lebensräume. Reptilia (Münster) 10 (6): 26-28.
• Vinke, T. & Vinke, S. 2005. The tortoises of Africa. Diversity through adaptation to extreme habitats. Reptilia (GB) (43): 21-25.
• Wake, D.B., & Kluge, A.G. 1961. The Machris Expedition to Tchad, Africa. Amphibians and reptiles. L.A. Co. Mus., Contrib. in Sci. no. 40 12 pp.
• Wermuth, H., and R. Mertens. 1961. Schildkröten, Krokodile, Brückenechsen. Gustav Fischer Verlag, Jena. xxvi + 422 pp.
• Wermuth, H., and R. Mertens. 1977. Liste der rezenten Amphibien und Reptilien. Testudines, Crocodylia, Rhynchocephalia. Das Tierreich. Berlin. 100: i-xxvii, 1-174.
• Werning, H. 2004. Planung und Bau eines reptilienzoos: “Reptilium - Terrarien- und Wüstenzoo” in Landau entsteht. Reptilia (Münster) 9 (4): 80-85.
• Wilson, D.S. et al. 2003. Estimating age of turtles from growth rings: a critical evaluation of the technique. Herpetologica 59 (2): 178-194.