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 Kaub mit der Pfalz und den Ruinen Schnberg und Gutenfels Collection Gugelmann GSGUGEBLEULERb.tif Information Creator Johann Ludwig Bleuler Creator Frdric Martens Kaub mit der Pfalz und den Ruinen Schnberg und Gutenfels Kaub Aquatinta koloriert Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library