@misc{Jacobus_de_Gruytrode_(_–_c._1475)_Speculum,
 author={Jacobus de Gruytrode ( – c. 1475)},
 howpublished={online},
 publisher={Arnoldus de Colonia},
 language={lat},
 type={inkunabuł},
 title={Speculum animae peccatricis},
}