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Berichte ber die Verhandlungen der naturforschenden Gesellschaft zu Freiburg i. Plate II BHL. Berichte ber die Verhandlungen der naturforschenden Gesellschaft zu Freiburg Plate II Illustration Foldout Bd biodiversitylibrary org Naturforschende Gesellschaft zu Freiburg NOTINCOPYRIGHT Biodiversity Heritage Library PDold Berichte