Title: Caeremoniae regularis observantiae sanctissimi patris nostri Benedicti ex ipsiusRegula sumptae, secundum quod in sacris locis, scilicet Specu et Monasterio Sublacensi practicantur
Subjects: Benedictines, Religious life and customs, Liturgy, Sacro Speco (Abbey : Subiaco, Italy), Catholic Church, History, Monasticism and religious orders, Rules