@misc{_Uebersichtskarte_[ante,
 copyright={Public Domain},
 address={[S.l.]},
 howpublished={online},
 year={[ante 1928]},
 publisher={[s.n.]},
 language={pol},
 title={Uebersichtskarte des Eisenbahn - Direktions - Bezirks Danzig : 1:1 000 000},
 type={Image},
 keywords={transport maps, railway maps, Gdańsk region},
}