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.
Bonn Villa Heckmann Bauzeichnung Schnitt. Villa Heckmann Raiffeisenstrae Bonn Gronau Bonn Gronau de Zeichnung zum Bauantrag Schnitt Olga Sonntag de Villen am Bonner Rheinufer Bonn ISBN Band Katalog author PDold Raiffeisenstrae Bonn Drawings of buildings in Bonn drawings
Page 2023 Free-images.com. All images are Public Domain