Based on the tags from this post.
Complete Logo Design Guide
Lots of links to logo stuff like tutorials, typography, famous logo designers and logo awards / competitions. [...]
The Google Logo
In a thoughtful piece about the Google logo, Adrian Shaughnessy of Design Observer decriesIn truth, the logo is weedy, corny and ill-conceived. [...]
Original Logo Design
Mike Davidson considers the ins-and-outs of original logo design. [...]
Logo R.I.P. is a commemoration of logos withdrawn from the occular landscape. [...]