File:Kasteel Ruhrort, 1587.jpg
Weber-Brosamer, Bernhard: OortsZeit – Stadtentwicklung in Duisburg-Ruhrort. Edition Haniel, 1999, ISBN: 3-8030-0400-4.
This file was derived from: Ruhrorter Kastell im Jahre 1587 von ca 1700.jpg
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This file was derived from: Ruhrorter Kastell im Jahre 1587 von ca 1700.jpg
Franz Hagenberg
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