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Keywords from Image Description:
CHNB Balsthal Wasserfall Collection Gugelmann GSGUGEDUNKERBAE.tif Information Balsthal Wasserfall Balsthal Radierung koloriert Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEDUNKERBAE helveticarchives ch aspx ID helveticarchives ch Swiss National Library Prints and Drawings Department