This collection comprises a bound elephant folio manuscript of Italian origin, likely Dominican. The manuscript contains the antiphons and responsories for Vespers and the Divine Office (Matins and Lauds) of the Saints from St. Peter Martyr (April 29), to the Transfiguration (August 6). Following the Common of Apostles and Evangelists, and the Common of Martyrs, are the Propers for 17 feasts. Fuller description of the specific feast days is available in the inventory file. Content is in Latin.