@misc{Hempel_Jan_(1877-1937)_Kazania,
 author={Hempel, Jan (1877-1937)},
 howpublished={online},
 publisher={R. Schmeer i Sp.},
 language={polski},
 type={book},
 title={Kazania piastowe},
 keywords={1901-2000, Mowy i przemówienia, 1901-1914, Polska},
}