AllRefer.com: Reference - Provides articles in all areas of topics within Earth & Environment, History, Literature & Arts, Health & Medicine, People, Philosophy & Religion, Places, Plants & Animals, Science & Technology, Social Science, Law, Sports, Everyday Life, and more. Includes North America gazetteer and other reference works.
Answers - Online dictionary, encyclopedia and more.
Bartleby - Publishes thousands of free online classics of reference, literature and nonfiction.
Concise Encyclopedia of Economics (CEE) - Features easy-to-read articles by over 150 top economists, including Nobel Prize winners, over 80 biographies of famous economists, and many tables and charts illustrating economics in action.
Congresspedia - Citizen's encyclopedia on Congress. Congresspedia is part of SourceWatch, a wiki-based website documenting the people, organizations and issues shaping the public agenda.
EH.Net Encyclopedia of Economic and Business History - Designed to provide students and laymen with high quality reference articles in the field. Articles for the Online Encyclopedia are written by experts, screened by a group of authorities, and carefully edited.
Encyclopedia - Puts millions of articles from some of the world's most authoritative and highly respected publications at your fingertips. Encyclopedia has more than 100 trusted sources, including encyclopedias, dictionaries, and thesauruses with facts, definitions, biographies, synonyms, pronunciation keys, word origins, and abbreviations.
Encyclopedia of Earth (EoE) - An electronic reference about the Earth, its natural environments, and their interaction with society. The EoE is a free, expert-reviewed collection of content contributed by scholars, professionals, educators, practitioners and other experts who collaborate and review each other's work. The content is presented in a style intended to be useful to students, educators, scholars, professionals, as well as to the general public.
Encyclopedia of Diderot & d'Alembert Collaborative Translation Project - First published over the course of more than twenty years (1751-1777), the 32 volumes of the Encyclopedia include 21 volumes of text with more than 70,000 articles on subjects ranging from asparagus to zodiac. The remaining 11 volumes contain beautifully engraved plates illustrating many of the articles. The Encyclopedie was the major achievement of the French Enlightenment whose aim, in Diderot's words, was to "change the common way of thinking" through the expansion of knowledge and the development of critical modes of thought.
Encyclopedia of Earth (EoE) - An electronic reference about the Earth, its natural environments, and their interaction with society. The EoE is a free, expert-reviewed collection of content contributed by scholars, professionals, educators, practitioners and other experts who collaborate and review each other's work.
Encylcopedia of Life (EOL) - Global access to knowledge about life on Earth. EOL brings together trusted information from resources across the world such as museums, learned societies, expert scientists, and others into one massive database and a single, easy-to-use online portal.
Eric Weisstein's World of Science - - Extensive on-line encyclopedias of math and science: Encyclopedia of Science, Dictionary of Science, Science Encyclopedia, Science Dictionary, Eric Weisstein's World of Science, ScienceWorld.
Internet Encyclopedia of Philosophy - Provides open access to detailed, scholarly information on key topics and philosophers in all areas of philosophy. The Encyclopedia receives no funding, and operates through the volunteer work of the editors, which consists of editors, authors, volunteers, and technical advisers. At present the IEP is visited by over 500,000 persons per month.
Scholarpedia - A peer-reviewed open-access encyclopedia written and maintained by scholarly experts from around the world. Scholarpedia is inspired by Wikipedia and aims to complement it by providing in-depth scholarly treatments of academic topics.
SourceWatch - Collaborative resource for citizens and journalists looking for documented information about the corporations, industries, and people trying to influence public policy and public opinion.
Spartacus Educational - A free online encyclopedia offering essays and other educational material on a wide variety of historical subjects. It is intended for use by history teachers and students.
KWSnet is an Internet subject directory providing special attention to U.S. national and international news, the arts, computing, culture, environment, law, literature, media, politics, science and technology. Based in San Francisco, California, KWSnet contains over 150,000 annotated links to resources worldwide. Use Search KWSnet, located at the top of each page, to search within this site. Use Ctrl-F (Windows) or ⌘-F (Mac) to search within individual pages.