by Encyclopedia Britannica
Platform:
Windows Vista / 7 / 2000 / XP, Mac OS X
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With more than 100,000 articles, the Ultimate Reference Suite 2011 has more content than any other reference software! Owning the Encyclopedia Britannica Ultimate Reference Suite is like having a complete reference library right at your fingertips.With three encyclopedias, two dictionaries and thesauruses, the New Spanish English Translation Dictionary, rich multimedia, interactive article and media tours, homework tools, a complete atlas, timelines, online magazines, and more, the Ultimate Reference Suite is the knowledge you need from the world's most trusted source.