@misc{Leyser_Polycarp_(1552-1610)_Dissertatio,
 author={Leyser, Polycarp (1552-1610)},
 howpublished={online},
 publisher={Henckel, Matthäus ( -1691?). Druk.},
 language={lat},
 type={stary druk},
 title={Dissertatio Politica, Qva Numæ Imperium},
 keywords={dysertacje},
}