@misc{Petrow_Aleksander_(1847–1905)._Redaktor_Zagadki_[około,
 author={Petrow, Aleksander (1847–1905). Redaktor and Michalski, Jan (1876–1950). Kolecjoner},
 copyright={Public Domain},
 howpublished={online},
 year={[około 1869]},
 language={pol},
 type={Text},
 title={Zagadki},
 URL={http://www.rcin.org.pl/Content/78720/PDF/WA248_98072_Rps-Fund-Mich-135c_zagadki_o.pdf},
 keywords={Dobrzyń Land (Poland), Folk songs - Poland},
}