Let’s start with a short TEDx Talk (18 min) (I’ve annotated them, so they should be easy to follow):
The Power of Powerless Communication
The surprising habits of original thinkers
I have copies of these books (2 in English, 2 in German) for you, if you’d like to deepen your understanding.
Advanced:
This one is a good bit longer and should only be watched after you’ve schooled yourself in his method of organisational communication: