|Quellangaben=Brigham Young University - [https://contentdm.lib.byu.edu/digital/collection/GermanyMaps/id/3425/rec/2984 online-Digitalisat] | |Quellangaben=Brigham Young University - [https://contentdm.lib.byu.edu/digital/collection/GermanyMaps/id/3425/rec/2984 online-Digitalisat] |