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.
Vorstandadav. Foto der Delegierten und Gste vermutlich vom unmittelbar vor der Grndung des ADAV own work scan Machahn February UTC PDold Allgemeiner Deutscher Arbeiterverein Hugo Hillmann
Page 2023 Free-images.com. All images are Public Domain