Online encyclopaedias:
- Encyclopaedia Britannica Online
- Columbia Encyclopaedia
- Encyclopaedia Smithsonian
- Encyclopaedia.com
- MSN Encarta
Collaborative wiki projects:
This is not in any way comprehensive, but provides some other alternatives for people who are disappointed with Wikipedia. The first list is so you can get the information with more accuracy, the second are groups that have a better community structure than Wikipedia.