@misc{Sydow_Emil_von_(1812–1873)_Deutschland_1866,
 author={Sydow, Emil von (1812–1873)},
 editor={Berghaus, Hermann (1828–1890). Red.},
 editor={Birck, Carl. Litogr.},
 editor={Königliches Lithographisches Institut (Berlin)},
 editor={Justus Perthes (Gotha)},
 copyright={Public Domain},
 address={Gotha},
 howpublished={online},
 year={1866},
 publisher={Justus Perthes},
 language={ger},
 title={Deutschland im Maaßsßtabe von 1:2 200 000},
 keywords={chorographic maps, cross-sections of terrain, Poland, 19th century},
}