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Zentralbibliothek Zrich Tobias Stimmer .tif de Tobias Stimmer ca institution Zentralbibliothek Zrich object history credit line accession number Public domain File ZentralbibliothekZrichTobiasStimmer ZentralbibliothekZrich MediacontributedbyZentralbibliothekZrich original picture PDold Zentralbibliothek Zrich