@misc{Künzel-Pougenmül._Rys._General_[ca, author={Künzel-Pougenmül. Rys.}, copyright={Public Domain}, address={[S.l.]}, howpublished={online}, year={[ca 1808]}, publisher={[s.n.]}, language={ger}, title={General Charte von dem Herzogthum Warschau dem Friedens Tractat vom Jahr 1807}, keywords={chorographic maps, manuscript maps, Duchy of Warsaw, Poland, 19th century}, }