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.
Teodor Openchowski. en Teodor Opchowski pl Teodor Opchowski ru frontispiece before page Original held in the University of Warsaw Library BUW Ivanickii before public domain due to its age PDold Physicians from Russia
Page 2023 Free-images.com. All images are Public Domain