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

References

• BMLSS (British Marine Life Study Society), (2008). Sea Mammals: Seals Page. www.glaucus.org.uk/seals1.htm, 2008-03-13 00:00:00
• Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes. 2003. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada
• Banks, R. C., R. W. McDiarmid, and A. L. Gardner. 1987. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada. Resource Publication, no. 166. 79
• Bernhard Grzimek (1990) Grzimek's Encyclopedia of Mammals. McGraw-Hill: New York.
• Berta, A.; Churchill, M. (2011). Odobenus rosmarus (Linnaeus, 1758). Accessed through: World Register of Marine Species at http://wwwmarinespecies.org/aphia.php?p=taxdetails&id=137077 on 2012-05-24
• Corbet, G.B. & Southern, H.N., (1977). The handbook of British Mammals. 2nd edition. Blackwell Scientific Publications, Oxford & London.
• Evans, P.G.H. & Raga, J. A. (ed.), (2001). Marine mammals: biology and conservation New York: Kluwer Academic / Plenum Publishers
• Foy, Sally; Oxford Scientific Films. 1982. The Grand Design: Form and Colour in Animals. Lingfield, Surrey, U.K.: BLA Publishing Limited for J.M.Dent & Sons Ltd, Aldine House, London. 238 p.
• Gruber et al. (2002) Atherosclerosis with multifocal myocardial infarction in a Pacific walrus (Odobenus rosmarus divergens Illiger). J Zoo Wildl Med, 33:139-144.
• Guiry, M.D. & Guiry, G.M. (2011). Species.ie version 1.0 World-wide electronic publication, National University of Ireland, Galway (version of 15 March 2010).
• Hewer, H.R. (1974). British Seals. London : Collins
• Howson, C.M. & Picton, B.E. (ed.), (1997). The species directory of the marine fauna and flora of the British Isles and surrounding seas. Belfast: Ulster Museum. [Ulster Museum publication, no. 276.]
• Jan Haelters
• Jefferson, T. A., S. Leatherwood, and M. A. Webber. 1993. Marine Mammals of the World. Food and Agriculture Organization of the United Nations, Rome.
• Kinze, C. C., (2002). Photographic Guide to the Marine Mammals of the North Atlantic. Oxford: Oxford University Press.
• Lawlor, T. E. 1979. Handbook to the Orders and Families of Living Mammals. Mad River Press, Eureka, California.
• M. J. Dunbar, Arctic and subarctic marine ecology: immediate problems, Arctic 7:213-228, from p. 223 (1954).
• MEDIN (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN, version 1.0.  
• Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 16, 2011 at http://animaldiversity.org. http://www.animaldiversity.org
• NBN (National Biodiversity Network), (2002). National Biodiversity Network gateway. http://www.searchnbn.net, 2008-10-31 00:00:00
• North-West Atlantic Ocean species (NWARMS)
• Nowak, R. M. 1991. Walker's Mammals of the World. Fifth Edition. Johns Hopkins University Press, Baltimore.
• Nowak, R.M., (2003). Walker's Marine Mammals of the World. Baltimore: John Hopkins University Press.
• Original description: Linnaeus, C., 1758.  Systema Naturae per regna tria naturae, secundum classis, ordines, genera, species cum characteribus, differentiis, synonymis, locis. p. 38. Tenth Edition, Vol. 1. Laurentii Salvii, Stockholm, 824 pp.
• Parker, S. P. ed. 1990. Grzimek's Encyclopedia of Mammals. McGraw-Hill Publishing Company, New York.
• Ramos, M. (ed.). 2010. IBERFAUNA. The Iberian Fauna Databank
• Rice, Dale W. 1998. Marine Mammals of the World: Systematics and Distribution. Special Publications of the Society for Marine Mammals, no. 4. ix + 231
• Richard Weigl (2005) Longevity of Mammals in Captivity; from the Living Collections of the World. Kleine Senckenberg-Reihe 48: Stuttgart.
• Shetland Sea Mammal Group (2008). Vagrant Seals in Shetland. www.nature-shetland.co.uk/seamammal/rareseals.htm, 2008-03-13 00:00:00
• Sjare, B., and I. Stirling. 1996. The breeding behavior of the Atlantic walruses, Odobenus rosmarus rosmarus, in the Canadian High Arctic. Canadian Journal of Zoology 74: 897-911.
• UNESCO-IOC Register of Marine Organisms
• 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 DeeAnn M. Reeder, eds. 2005. Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vols. 1 & 2. 2142
• Wilson, Don E., and F. Russell Cole. 2000. Common Names of Mammals of the World. xiv + 204
• van der Land, J. (2001). Tetrapoda, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 375-376