Map showing the Electorate of Cologne (in pink) flanked by the Duchy of Jülich (in yellow) and the Duchy of Berg (in aqua). The western limits of the Duchy of Westphalia, which also belonged to the Electorate, are outlined in orange on the far right. Published by Matthäus Seutter in 1756.
Matthäus Seutter, 1756
Bergbook Antique maps for sale