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CHNB Thalwil von Sdwesten Collection Gugelmann GSGUGEASCHMANNC.tif Information Creator Johann Jakob Aschmann Thalwil von Sdwesten Thalwil Umrissradierung koloriert Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEASCHMANNC helveticarchives ch aspx ID helveticarchives ch Swiss National