@misc{_Das_1848, editor={Lithographische Institut v. S. Lilienfeld (Wrocław)}, copyright={Public Domain}, address={Breslau}, howpublished={online}, year={1848}, publisher={Verlag von Joh. Urban Kern}, language={ger}, title={Das Grossherzogthum Posen}, keywords={geopolitical maps, warfare maps, Wielkopolska Region, Great Duchy of Poznań, 19th century}, }