@misc{_Directorium,
 howpublished={online},
 language={lat},
 type={czasopismo starodruczne},
 title={Directorium Divini Officij Quotidie Recitandi Almæ Ecclesiæ Metrop. & Toti Archid. Gnesn. Accommodatum ac pro Anno Dni. ... Juxta Rubricas Generales Breviarij & Missalis Romani, ac Decreta S. R. C. Conscriptum. 1739},
}