Encyclopedias are large works which contain comprehensive information about many fields. Encyclopedias are of many volumes to accommodate all the subjects. Numerous articles on different subjects are listed in the alphabetical order for ease of access. A dictionary contains only concise information about on a term, but an encyclopedia provide detailed information and presents it with the help of illustrations and maps. Tremendous effort and research is required to write an encyclopedia which is usually written by experts. As in the case of dictionaries, encyclopedias may also be more specific like those written about a nation or geographical region, those written about a culture or those written about specific subjects like medicine, politics, law etc.
| Bartleby Internet publisher of range of online classics of reference, literature and nonfiction to students and researchers. |
| Britannica The updated online encyclopedia from Encyclopedia Britannica with range of articles, biographies, videos, images, and web sites. |
| Cyclepedia Publishes online service manuals in the power sports industry covering ATVs, motorcycles and scooters |
| ELS.net The site features several specially commissioned and peer-reviewed articles spanning the different spectrum of life sciences. |
| Encyclopedia An ideal online reference source for researchers, students, educators, and professionals. |
| How Stuff Works Explains range of subjects, from car engines to lock-picking to ESP, using clear language and lot of illustrations. |
| Infoplease Reference for internet users, provides a comprehensive encyclopedia, atlas, dictionary, and thesaurus. |
| Probert Encyclopaedia An online encyclopedia of several cross-referenced and interlinked references and illustrations. |
| World Book Web site offers an encyclopedia, dictionary, atlas, homework help, study aids, and curriculum guides. |
