@misc{Gregorius_Magnus_Regula,
 author={Gregorius Magnus},
 howpublished={online},
 language={lat},
 title={Regula pastoralis},
 title={Themata sermonum de tempore et de sanctis},
 title={Themata de sanctis ex naturalibus et historiis sumta},
 keywords={teologia, kazania, 15 w., homiletyka},
}