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.
Otto Erich Hartleben Portraet. OttoErichHartlebenPortrt von ihm selbst datiert selfphotographed Kuban Konstanz original upload log de Magnus Manske CommonsHelper page de HartlebenPortraet Ottoerich bytes no Andere Versionen Otto Erich Hartleben
Page 2023 Free-images.com. All images are Public Domain