Provides searchable access to articles from the latest edition of the McGraw-Hill Encyclopedia of Science & Technology, Research Updates from the McGraw-Hill Yearbooks, the latest Science News headlines, thousands of illustrations, and more.
Britannica Online is the award-winning World Wide Web information service provided by Encyclopædia Britannica, Inc. Contains more than 72,000 articles and many special features.
A comprehensive reference source on all aspects of Jewish culture worldwide. Includes over 25,000 articles and a multimedia gallery of video and sound items.
Encyclopedia of Philosophy
Updated edition of this multivolume set containing more than 2,100 entries. Also includes 1,000 biographical entries on major figures in philosophical thought throughout history.
New Catholic Encyclopedia
Prized for its scholarly presentation of persons and subjects related to Catholicism and the humanities, this book is the first place to turn for answers for questions on topics such as abortion, divorce, cloning, and reproductive technologies from a Catholic perspective.
New Catholic Encyclopedia Jubilee Volume
This supplement focuses on the pontificate of John Paul II and includes thematic essays that present the man and his work.
Search more than 100 encyclopedias, dictionaries, and thesauri, including The Columbia Encyclopedia (Sixth Edition).
Compiled to answer frequently asked questions or to provide guidance in finding requested information. Updated continually.
The Internet Encyclopedia of Philosophy
Submissions are peer reviewed by specialists according to strict criteria. The peer review process is rigorous and meets high academic standards.
refdesk.com: Facts Encyclopedia
7,500+ Sites - 73 Topics.
Stanford Encyclopedia of Philosophy
A "dynamic" encyclopedia published as a project of the Metaphysics Research Lab at the Center for the Study of Language and Information at Stanford University. Also includes archives of "fixed" editions.
Over 20,000 definitions of technology terms and concepts.
Wikipedia, The Free Encyclopedia
Wikipedia's content is created by its users. Pages are always subject to editing, so no article is ever finished. In addition to standard "encyclopedic" knowledge, Wikipedia includes information more often associated with almanacs and gazetteers, as well as coverage of current events.