Siegfried Passarge to the Executive Board of Gesellschaft für Erdkunde Ajouter au presse-papier Cod. Ms. H. Wagner 37 : 5, Bl. 85-88 Dossier 1911-01-05 Fait partie de Lower Saxony State and University Library Göttingen Controversy Siegfried Passarge - Albrecht Penck In: Pechel - Peucker (Title) >> Letter from Albrecht Penck to Hermann Wagner