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.
Theodor Helm Litho. de Theodor Helm Lithographie von Eduard Kaiser sterreichischer Mediziner Eigenes Foto einer Originallithographie der Albertina Wien Eduard Kaiser other versions Custom marker PDold Lithographs by Eduard Kaiser Theodor Helm Physicians from Austria births deaths
Page 2023 Free-images.com. All images are Public Domain