@misc{_Directorium,
 address={[S.l.]},
 howpublished={online},
 publisher={[s.n.]},
 language={lat},
 title={Directorium seu Ordo Recitandi Horas Canonicas et Missas Celebrandi [...] pro Anno MDCCLXIX.},
 keywords={Śląsk, jezuici, Kościół katolicki, 18 w., obrzędy},
}