1. http://www.armytage.net/pdsdata/The%20Concept%20of%20Bildung.pdf

2. http://www.armytage.net/pdsdata/Bildung%20Kristin%20Gjesdal.pdf

3.http://www.armytage.net/pdsdata/The%20Transformation%20of%20Bildung%20from%20an%20Image%20to%20and%20Ideal.pdf