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.
Keywords from Image Description:
CHNB Zillis von Norden Collection Gugelmann GSGUGEBLEULERb.tif Information Creator Johann Ludwig Bleuler Creator Conrad Caspar Rordorf Zillis von Norden Zillis Aquatinta koloriert File CHNB Zillis Collection Gugelmann GSGUGEBLEULERB tif Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEBLEULERb