https://www.gps.caltech.edu/people/duane-e-waliser?back_url=%2Fpeople%3Famp%253Bcat_two%3Dall%26cat_one%3DUndergraduate%2BStudents%26p%3D8
Duane E. Waliser - Division of Geological and Planetary Sciences
planetary sciencesduanewaliserdivisiongeological
https://www.literaturport.de/lexikon/werk/markus-dullin/wilhelm-der-waliser-das-geheime-leben-koenig-edwards-ii-von-england-36484/
Wilhelm der Waliser. Das geheime Leben König Edwards II. von England | Markus Dullin - Werke
wilhelmderwaliserdasgeheime