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.
Menzel.und. Anton.von.Werner. de Adolph Menzel rechts mit Anton von Werner im Atelier Fotografie um Adolph von Menzel Das Labyrinth der Wirklichkeit Berlin Fotograf athor ca PDOld Portraits of Adolph von Menzel Anton von Werner Black and white photographs Ateliers in Berlin Menzel
Page 2023 Free-images.com. All images are Public Domain