@misc{Thomas_Christian_Ludwig_(1757–1817)_Postcharte_1793,
 author={Thomas, Christian Ludwig (1757–1817)},
 editor={Streng, Johann Philipp. Wyd},
 copyright={Public Domain},
 address={Franckfurt am Mayn},
 howpublished={online},
 year={1793},
 publisher={zu finden bey Johan Phillipp Streng},
 language={ger},
 title={Postcharte von Deutschland},
 keywords={chorographic maps, postal maps, Central Europe, Germany, Poland, 18th century},
}