@misc{_Prognostyki_[1798], copyright={Public Domain}, address={[Polska]}, howpublished={online}, year={[1798]}, publisher={[wydawca nieznany]}, language={pol}, type={Text}, title={Prognostyki Na Rok Panski 1799}, URL={http://rcin.org.pl./Content/238109/WA248_274230_XVIII-1-1203_prognostyki_o.pdf}, keywords={Calendar - Poland - 18th c.}, }