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Keywords from Image Description:
Friedrich Whler Litho. en Friedrich Whler German Chemist Lithography by Rudolf Hoffmann after photograph by Petri Gttingen From Gallerie ausgezeichneter Naturforscher published in Vienna de Friedrich Whler Chemiker Lithographie von Rudolf Hoffmann nach einem Foto von Petri Gttingen Aus Gallerie ausgezeichneter Naturforscher verffentlicht