Graph will be created. With large datasets this can take a while.
Himmelheber, MaxJud, RudolfHeuschele, OttoKaltenbrunner, Gerd-KlausKerényi, MagdaPfäfflin, FriedrichArbogast, HubertPörksen, UweMeidinger-Geise, IngeWidmer, SigmundHersche, OtmarKünzli, ArnoldVogel, AloisNaef, AnitaJaeckle, ErwinJaeckle, ErwinSchramm, Godehard