First reference for spelling, style, usage and foreign geographic names: Webster's New World College Dictionary, Fourth Edition, Wiley, Hoboken, N.J. Other references for spelling, style, usage and foreign geographic names: The American Heritage Dictionary of the English Language, Fourth Edition, Houghton Mifflin Company, Boston (and) New York Concise Oxford English Dictionary, Eleventh Edition, Oxford University Press, Oxford Webster's Third New International Dictionary of the English Language, unabridged, Merriam-Webster, Springfield, Mass. National Geographic Atlas of the World, 8th Edition. National Geographic Society, Washington, D.C. http://www.nationalgeographic.com/index.html