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Credo is an online reference service featuring 551 full-text reference titles from over 70 publishers. Other features include: -Dynamic table functionality for world state and county statistics, an interactive world atlas, flash animations, videos, poetry/literature readings, over 700 music files, and a concept map. -More than 200,000 images from all subject areas, over 200,000 audio pronunciations, and a citation formatter in APA, MLA, and Chicago formats for all articles.
This online version of the Encyclopedia Britannica features excellent search and browse capabilities, world data and country comparisons, time-lines, and notable quotations along with the in depth coverage of the print version.
The OED covers words from across the English speaking world. It also gives etymological analysis, variant spellings, and pronunciation using IPA.
The Oxford English Dictionary (OED) is widely regarded as the accepted authority on the English language. It is an unsurpassed guide to the meaning, history, and pronunciation of 600,000 words— past and present—from across the English-speaking world. As a historical dictionary, the OED is very different from those of current English, in which the focus is on present-day meanings. You'll still find these in the OED, but you'll also find the history of individual words, and of the language—traced through 3 million quotations, from classic literature and specialist periodicals to films scripts and cookery books.