Keywords: Abhandlungen der Naturforschenden Gesellschaft zu Halle BHL11733571.jpg Abhandlungen der Naturforschenden Gesellschaft zu Halle / herausgegeben von ihrem Vorstande 11733571 43192 11340 Map Foldout 18 Bd 1892-1894 http //www biodiversitylibrary org/page/11733571 1892-1894 Naturforschende Gesellschaft zu Halle Public domain The BHL considers that this work is no longer under copyright protection <br> Biodiversity Heritage Library Check categories 2015 October 27 PD-old-70-1923 Abhandlungen der Naturforschenden Gesellschaft zu Halle Images uploaded by Fæ Files from the Biodiversity Heritage Library Biodiversity Heritage Library Ernst Mayr Library of the MCZ Harvard University collection |