@misc{Institute_of_History_of_the_Polish_Academy_of_Sciences_Luberadzyk., author={Institute of History of the Polish Academy of Sciences}, copyright={Rights Reserved - Free Access}, journal={Files of the Historico-Geografical Dictionary of Masovia in the Middle Ages}, howpublished={online}, language={lat ; pol}, title={Luberadzyk. Files of Niedzborz district in the Middle Ages. Files of Historico-Geographical Dictionary of Masovia in the Middle Ages}, type={Text}, URL={http://rcin.org.pl/Content/30734/PDF/WA303_49454_NDZ_Luberadzyk.pdf}, keywords={Masovia (Poland ; region) - geography [KABA], Masovia, Middle Ages, settlement, Niedzborz district, Sulerzyz district}, }