It is not uncommon for its entries to be five to ten times the length of other encyclopedias.
Besides Wikipedia, there are dozens of other free online encyclopedias.
In addition to the general reference encyclopedias and encyclopedic references, you can find some excellent online specialty encyclopedias, especially science and computer references.
A half-dozen encyclopedias that were free in 2005 are paid sites in 2006.
The best medical encyclopedias provide a symptom database that helps you focus on what illness you most likely have based on your symptoms.
