This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Haus zumKardinal. de Entwurfsskizze zum Haus zum Kardinal in Aachen von Jakob Couven Joseph Buchkremer Die Architekten Johann Joseph Couven und Jakob Couven in Zeitschrift Aachener Geschichtsverein ZAGV Jakob Couven before Jakob Couven PDold
Page 2023 Free-images.com. All images are Public Domain