Articles about Management

I'm trying to put together some good sites covering Management, with main focus on Test Management, but also Project/Business Management in general.

Here is a list with some of the best sites I've come across so far:

Articles in English;

TMap (Test Management Approach) - Wiki
TMap - Homepage

Management Methods/Models/Theories
Project Management Body of Knowledge - Wiki
Free Management Library
Steinar Carlsen (huge collection of links etc)
Leadership Styles for Dealing with People  - Pdf
Management Ebook Collection (huge list of ebooks)

Articles in Norwegian;

Integrert ledelse
Ledelsesteoriens historiske utvikling