@misc{Herolt_Ioannes_Liber,
 author={Herolt, Ioannes},
 address={Strasburg},
 howpublished={online},
 publisher={Pruss Johan},
 language={lat},
 title={Liber Discipuli de eruditione Christifidelium},
 type={inkunabuł},
 keywords={Incunabula -- Poland -- Bydgoszcz -- Catalogs},
}