SPECIFIC
Directory of Open Access Journals - This service covers free, full text, quality controlled scientific and scholarly journals. We aim to cover all subjects and languages. There are now 6090 journals in the directory. Currently 2588 journals are searchable at article level. As of today 505267 articles are included in the DOAJ service.
Merriam-Webster Dictionary - Merriam-Webster is America's foremost publisher of language-related reference works. The company publishes a diverse array of print and electronic products, including Merriam-Webster's Collegiate® Dictionary, Eleventh Edition—America's best-selling desk dictionary—and Webster's Third New International Dictionary, Unabridged.
Encyclopedia - Encyclopedia.com gives you credible answers from published reference works – all in one place:
49 encyclopedias from sources like Oxford University Press and Columbia University Press
73 dictionaries and thesauruses with definitions, synonyms, pronunciation keys, word origins, and abbreviations
GENERAL
Dewey Browse - Web Sites Classified by the Dewey Decimal Classification System for Grades K-12
eTheme - from the University of Missouri, numerous links of content-rich, kid-safe online resources, alphabetized by topic.
FactMonster - Not only an online dictionary, thesaurus, encyclopedia, almanac, and atlas, but so much more. Very kid-friendly.
Google Scholar - Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites. Google Scholar helps you find relevant work across the world of scholarly research.
Infoplease - Also a great reference source that includes biographies, timelines, information on the 50 states, country information, current events, etc.
Infotopia - Infotopia is an academic search engine accessing only trusted websites previously selected by librarians, teachers and library and educational
consortia. As a Google custom search engine, Infotopia has most of the cool Google search features, but with more relevant results. With Infotopia, 'Safe Search' is always on.
Internet Public Library - Includes subject collection, ready reference (encyclopedia, almanac, dictionary, etc.), books, magazines, newspapapers, special collections, and more.
iTools - Multiple search boxes for a variety of purposes.
Library Spot - Links to numerous libraries, with multiple reference desk tools not found in other sites.
Mashpedia - Mashpedia is a real-time, multimedia and social encyclopedia with millions of articles providing dynamic, fresh information
RefDesk - "Fact Checker for the Internet" - Reference, Facts, & News; Free and Family-Friendly.
Virtual Learning Resource Center - The VLRC includes selected sites in a growing list of subject/information areas including: full-text magazines, newspapers, electronic text archives, art history, biography, biology, career information, psychology, history, government information, literature, medical information, social sciences, legal information, American Civil War, Art, Careers, Crime, Directories, Economics, Education, English Language, Electronic Texts, Foreign Languages, Geography, Genealogy, Government Information,Health/Medical, History, Legal Information, Lesson Plans, Literature, Mathematics, Music, Reference, Science, Technology, Tutorials on the Web, and Writing Style Guides.
The Virtual LRC is actually a suite of three databases. In addition to the main index/browser/subject guide, there is also VLRC MagBot, full-text magazine reference and research site offering free hot-topic magazine and journal articles, and VLRC Alphamarks, the subject-classified bookmarks of the Virtual Learning Resources Center. Both VLRC MagBot and VLRC Alphamarks are indexed through the main VLRC index/meta search engine/web directory. These three in combination offer a powerful technology to help users find the most relevant information for their academic needs.