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.
Die Gartenlaube . de Karte der Insel Helgoland Zeitschrift Die Gartenlaube File Die Gartenlaube Wiebel Lindemann Gartenlaube Heligoland island Maps of Heligoland Historical images of Heligoland PDold
Page 2023 Free-images.com. All images are Public Domain