Text comprises settings of the Sanctus and Agnus Dei, including 6 pages of polyphonic notation (leaves 25? to 27?, a setting of the Patrem omnipotentem factorem celi) and the offices from Christmas Day to Epiphany, the 12th day of Christmas.
Contains an incomplete bifolium as rear paste-down: Catholic Church. Breviary (Ms. University of Sydney. Library. Rare Books and Special Collections Library. Add. Ms. 327). [Breviarum]. [11--].