@misc{Łopaciński_Hieronim_(1860–1906)_Oskar_[1890],
 author={Łopaciński, Hieronim (1860–1906) and Drukarnia i Litografia "Jan Cotty".},
 copyright={Public Domain},
 address={[Warszawa]},
 howpublished={online},
 year={[1890]},
 publisher={[druk Jana Cotty]},
 language={pol},
 title={Oskar Kolberg i ostatnia jego praca},
 type={Text},
 URL={http://rcin.org.pl./Content/242546/WA248_279069_F-7457_oskar_o.pdf},
 keywords={Kolberg, Oskar (1814-1890)., Polish ethnography},
}