@misc{Petrus_Isvalies_[Litterae,
 author={Petrus Isvalies},
 howpublished={online},
 publisher={[Konrad Baumgarten]},
 language={lat},
 type={starodruk},
 title={[Litterae indulgentiarum pro defensione catholicae fidei contra Turcos concessarum.] : [Inc.] Petrus miseratione diuina Tituli sancti Ciriaci [in] Th[o]rmis sacrosancte Romane ecclesie presbiter Cardinalis Regin[us] [...]},
 keywords={starodruki 16 w.},
}