@misc{Sommerbrodt_Ernst_(1851–_)._Oprac._Die_1891,
 author={Sommerbrodt, Ernst (1851– ). Oprac.},
 copyright={Public Domain},
 address={Hannover},
 journal={Die Ebstorfer Weltkarte},
 howpublished={online},
 year={1891},
 publisher={Hahn'sche Buchhandlung},
 language={ger},
 title={Die Ebstorfer Weltkarte : [maps]},
 title={Ebstorfer Weltkarte},
 type={Image},
 keywords={maps, Ebstorf map, Middle Ages, 13th century},
}