@misc{_Potentissimi,
 howpublished={online},
 publisher={[s.n.]},
 language={lat},
 type={stary druk},
 title={Potentissimi Polonorum & Suecorum Regis [...] Vladislai Qvarti [...] Solennis Dantisci Ingressus : Publica Oratione a Senatu Civitatis exceptus die XIX. Decembr. Anno M. DC. XXXIV.},
}