@Misc{BVMC:273439, author = {Iglesia Católica. [Breviarium]}, title = {Officium Inmaculatae Conceptionis B. Mariae Virginis, cum octaua.}, url = {https://www.cervantesvirtual.com/obra/officium-inmaculatae-conceptionis-b-mariae-virginis-cum-octaua} }