Many of the PDFs found on free file-sharing sites come from users who scanned their personal out-of-copyright breviaries. While not illegal for research, using them for choral recitation without permission from the Order could violate the ius particulare (particular law) of the Carmelites.
The foundational document of Carmelite life is the Rule of St. Albert , given to the hermits by the Patriarch of Jerusalem between 1206 and 1214. While not a breviary in itself, the Rule mandated the recitation of the Divine Office. It prescribed that the hermits should "keep vigil" (night prayer) and recite the canonical hours. This established the rhythm of prayer that necessitated the development of a specific liturgical book. carmelite breviary pdf
Often found on archive sites as scanned historical documents. Language: Almost exclusively in Latin . Many of the PDFs found on free file-sharing