@misc{Michalski_Jan_(1876–1950)._Kolekcjoner_O_[19,
 author={Michalski, Jan (1876–1950). Kolekcjoner and Osiński, Ludwik (1775–1838)},
 copyright={Public Domain},
 howpublished={online},
 year={[19 w.]},
 language={pol},
 title={O dobroczynności},
 type={Text},
 URL={http://rcin.org.pl/Content/69361/PDF/WA248_89946_Rps-Fund-Mich-104_osinski-dobroczyn_o.pdf},
 keywords={Polish poetry - 19th c.},
}