@misc{Ursinus_Kaspar_Velius_(1493-1539)_Oratio,
 author={Ursinus, Kaspar Velius (1493-1539)},
 address={[Coloniae]},
 howpublished={online},
 publisher={Eucharius Cervicornus},
 language={lat},
 type={starodruk},
 title={Oratio de felicissima electione inclyti ac potentissimi Regis Ungariae et Bohemiae Ferdinandi archiducis Austriae in Regem Romanorum},
 keywords={Polska -- 16 w., Early printed books -- 16th century, Sixteenth century},
}