Title: Die Sophienhöhe und ihre Entstehungsgeschichte /
Authors: Hommel, Wolfgang.
Publisher: Verlag Jos. Fischer,
Year: 2012
Subjects: Mountains Germany North Rhine-Westphalia History.; Architecture Germany North Rhine-Westphalia Designs and plans.; Excavations (Archaeology) Germany North Rhine-Westphalia History.; Sophienhöhe (Germany) History.