Contents: ff. 256r-258r: Prayer to the Trinity, beginning 'Auxiliatrix sis michi trinitas sancta', followed by others; ff. 258r-262v: The Four Gospel Lessons, beginning 'In principio erat verbum'; ff. 262v-273v: Prayers; ff. 273v-276r: Two Psalms; ff. 276r-281: The Office of the Holy S...