Specialkarte ca. 1845, Blatt 141 Köln described at URL: https://commons.wikimedia.org/wiki/File:Topgraphischen_Special_Karte_von_Deutschland_(10605170).jpg...
English German Karte Bonn - Köln um 1845 described at URL: https://commons.wikimedia.org/wiki/File:Topgraphischen_Special_Karte_von_Deutschland_(10605170)...
German Karte Köln – Oberhausen um 1845 described at URL: https://commons.wikimedia.org/wiki/File:Topgraphischen_Special_Karte_von_Deutschland_(10605170)...
English German Karte Köln – Aachen um 1845 described at URL: https://commons.wikimedia.org/wiki/File:Topgraphischen_Special_Karte_von_Deutschland_(10605170)...
Topgraphischen Special Karte von Deutschland (10605194c) Bonn Köln.webp...
Topgraphischen Special Karte von Deutschland (10605193c) (10605194c) Köln Aachen.webp...