@misc{_Prospectus_[1781], copyright={Public Domain}, address={[Warszawa]}, howpublished={online}, year={[1781]}, publisher={Drukarnia Pijarów (Warszawa)}, language={pol}, title={Prospectus Albo Doniesienie Drukarni Warszawskiey Xięży Piarow Roku 1781.}, type={Text}, URL={http://rcin.org.pl/Content/17661/PDF/WA248_35201_XVIII-2-561_prospectus_o.pdf}, keywords={Ordo Clericarum Regularium Pauperum Matris Dei Scholarum Piarum (Warszawa), Drukarnia Pijarów (Warszawa)}, }