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.
Otto Universita bolognsk. article in Otto's encyclopedia in Czech org page Ottv slovnk naun dl IV anonymous AnonymousEU Images of buildings in Ottv slovnk naun University of Bologna Historical images of Bologna Images in Ottv slovnk naun Volume
Page 2023 Free-images.com. All images are Public Domain