Bound elephant folio manuscript of Italian origin; probably Dominican. Contains the antiphons and responsories for Vespers and the night Office (Matins and Lauds) of the Saints from St. Peter Martyr, on April 29, to the Transfiguration, August 6. Following the Common for Apostles and Evangelists, and the Common for Martyrs, are the Propers for 17 feasts. Fuller description of the specific feast days is available in the inventory file. Content is in Latin.