@misc{Klemens_XI_(papież_;_1649-1721)_Sanctissimi,
 author={Klemens XI (papież ; 1649-1721)},
 howpublished={online},
 language={lat},
 type={starodruk},
 title={Sanctissimi Domini Nostri Domini Clementis Divina Providentia Papae XI Constitutio ut Festum Conceptionis B. Mariae Virginis Immaculatae de praecepto ubique in posterum observetur},
}