A note on the canon law relating to the sayings of the office and on seven impediments to their proper performance (BL, Royal MS 8 C.I)
'Nota qualiter hore canonice sunt dicende et de impedimentis earum': a note in Latin on the canon law relating to the saying of the offices and on seven impediments to their proper performance, with tales, taken from 'liber de miraculis beatissime virginis Marie', of a Burgundian priest who said them incorrectly and an English priest who had fifty years of purgatory for the same reason. Other copies are in 8 F. VII, art. 7, and Harley MS. 237, f. 73 b. Beg. 'Hore canonice propter laudem humanam'; ends 'dimittet vobis peccata vestra. amen'. f. 156 b.
Liber de miraculis beatissime virginis Marie