For introductory information regarding definitions and historical contexts of key concepts, try an online encyclopedia or dictionary. These are also great resources for finding additional concepts surrounding the subject and sources.
Provides online reference from digitized reference sources. Searchable by reference source, by subject, or across all sources. Includes a concept mapping function to assist in broadening or narrowing searches. Reliable, reputable reference sources. Citation assistance is available for the most popular formats.
The online version of the Encyclopedia Britannica. Includes a Merriam-Webster Collegiate Dictionary and Collegiate Thesaurus, World Atlas, Year in Review section, and historic Timeline.
Unlimited simultaneous users allowed.
Content is updated irregularly
Provides electronic access to reference books. Browse or search one reference source or all at one time. Content and/or interface may be translated into a selected languages upon request. Entries may be downloaded, and persistent URLS saved for future use.