Stadia Surveying: The Theory of Stadia Measurements, Accompanied by Tables of Horizontal Distances and Differences of Level for the Reduction of Stadia Field Observations (German Edition)
Bibliotheca Historica Medii Aevi: Wegweiser Durch Die Geschichtswerke Des Europaischen Mittelalters Bis 1500. Vollstandiges Inhaltsverzeichniss Zu 'Ac (German Edition)