@misc{_Ducatus,
 address={[Amsterdam]},
 howpublished={online},
 publisher={[Bleau Guiljelmus Janssonius]},
 language={lat},
 language={eng},
 type={mapa},
 title={Ducatus Eboracensis paers Borealis. The Northriding of York Shire},
 keywords={York, hrabstwo -- mapy -- 17 w, Anglia -- mapy -- 17 w},
}