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CHNB Wasserberg Wasserfall Collection Gugelmann GSGUGEFEHRC.tif Information Creator Barthlome Fehr Wasserberg Wasserfall Wasserberg Umrissradierung koloriert Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEFEHRC helveticarchives ch aspx ID helveticarchives ch Swiss National Library Prints