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| Encyclopedia.com - http://www.encyclopedia.com/ Features more than 100 trusted sources, including encyclopedias, dictionaries and thesauruses with facts, definitions, biographies, synonyms, pronunciation keys, word origins, abbreviations, and more. |
| The Hutchinson Encyclopedia - http://encyclopedia.farlex.com/ A wide-ranging, comprehensive, and up-to-date family encyclopedia. A total resource of 12 million words, with over 75,000 articles as well as 5,000 photos and illustrations, 700 sound files, 70 animations, and over 40 videos, it is an online companion for all general research, from homework assignments to simple curiosity. |