Reference sources are great resources to use as you get started on your topic. They are not intended to be read cover-to-cover, but rather provide you with more concise information as you begin to explore a topic. Reference sources generally provide:
Britannica Online Academic Edition
Online version of the Encyclopaedia Brittanica. Use this powerful resource to search or browse for information in encyclopedias, magazines, videos, and Web sites.
Searches a collection of free encyclopedias and other reference works on the internet. HighBeam Encyclopedia provides current and archived articles from more than 3,500 credible reference works and publications, including newspapers, journals, and magazines. Searching our site allows you to find the exact article you’re searching for in our online research archive of more than 60 million Web articles. This article archive search is perfect for students looking for homework help, educators wanting to keep up with current information, and businesspeople looking to gain an edge.
1,800 English idioms, phrases and expressions, with their meanings and origins explained.
Merriam-Webster's Collegiate Dictionary, Tenth Ed.
Allows regular and wildcard searching, so you can find all the words ending in a given suffix.
Your dictionary.com (A Web of Online Dictionaries)
It provides links to more than 400 dictionaries in more than 130 different languages.
Dictionary.com is a free online dictionary, thesaurus, translator, word of the day, crossword puzzles and word games, and vocabulary learning resources for many languages.
It is an online version of Roget's Thesaurus of English words and phrases.