@misc{Sikorski_Jan_(16..-16..)_Rationes,
 author={Sikorski, Jan (16..-16..)},
 howpublished={online},
 publisher={Drukarnia Dziedzicow Piotra Elerta},
 language={lat},
 type={starodruk},
 title={Rationes Quod non tantum expediat, sed etiam neceße sit Academiam Leopoli in Collegio Patrum Societatis Iesv erigere},
}