–https://studentofastrology.com/videos/ – Würden – http://www.hellenisticastrology.com/rulerships.pdf – https://studentofastrology.com/resources/traditional/chart-delineation-outline/ – https://talk.vonabisw.de/Talk/Obert1.pdf
Filmliste – https://www.youtube.com/playlist?list=PLWfUcScvQbEwk_B_nqArcyWkskJBCzoJC