It seems like we spend a lot of time reading articles written by people who are reading articles written by other people who are reading articles written by other people who are reading articles written by other people who are reading articles written by other people ... almost ad infinitum[/i].

If you work your way past all the rephrasing and petit analysis, it seems that there are very few source documents upon which a lot of SEO theory is based.

Here are the biggies:


Are there any that are missing from my list?