PR & Corporate Blogging

A Typology of Corporate Blogs in German: Corporate Blogs by Zerfass

Corporate Blogs List
CEOBlogsList
ProductBlogsList
BizBlogConsultants

PR meets the WWW: great PR & blogging portal

KlausEck, German PR-Blogger

My own contribution, in German, published in Medienimpulse 52/2005, but not yet online:
Corporate Blogging: Neue Formen der Öffentlichkeitsarbeit in Zeiten gesteigerter Interaktivitität.

Why Corporate Blogging Works