Wikipedia can serve as a great introduction to a subject, and connect you to other related ideas, people and places. But it’s not all there is. Here are some resources that can help you with whatever information you need to find:
Bartleby -- Famous quotes and full poetry texts
Citizendium -- More “professional” Wikipedia, although usually not as detailed
Answers.com -- Makes use of the information on Wikipedia and many other reference sites to become a one stop shop
ePodunk -- Information about cities and places
Encyclopedia Britannica -- An excellent source of information, and much more authoritative than Wikipedia.
Scholarpedia -- A step up from both Wikipedia and Citizendium in terms of scholarly respectability; the articles are all written by experts with peer review
JSTOR (limited access; talk to your school or library) -- All those stuffy journals around your professor’s office, and articles in your course packets
Oxford English Dictionary (limited access; talk to your school or library) -- The definitive resource when it comes to the English language
Wikiseek -- Wikipedia with a better search engine
Online Education Database -- Over 100 specific search and research tools, often relevant to specific subjects
MathWorld -- Everything mathematics from Geometry to Calculus is covered in great detail
GeoHive and Fedstats -- Public access to public agency statistics
Theoi and Encyclopedia of Mythology -- Excellent resources on the subject of mythology and ancient religions
Glossary of Poetic Forms -- You too can know the difference between a Canto and a Cento
Stanford Encyclopedia of Philosophy and Foldop -- Excellent sources on just about anything philosophy related
Religion Online -- An excellent, excellent resource filled with many primary texts