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 Wimmis von Norden Collection Gugelmann GSGUGEBLEULERA.tif Information Creator Johann Ludwig Bleuler Wimmis von Norden Von Norden gegen den Niesen Wimmis Gouachemalerei Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEBLEULERA helveticarchives ch aspx ID helveticarchives ch Swiss