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.
Carl Eduard Erdmann. et Carl Eduard Erdmann baltisaksa igusteadlane century ester ee bS est fotokogu Creator Theodor John PDold Professors of University of Tartu Baltic Germans Theodor John Corps BalticaBorussia Danzig zu Bielefeld
Page 2023 Free-images.com. All images are Public Domain