Here is the link to the Bogleheads® wiki.
The Bogleheads® wiki began operations on May 8, 2008. The wiki is a collaborative undertaking by members of the bogleheads community. It serves as a reference resource for investors and reflects Boglehead investing principles: starting early, living below one’s means, regular saving, broad diversification, and sticking to one’s investment plan.
In order to edit the wiki, one must first join and contribute to the Bogleheads® forum.