Referenced in:

• mss: 51 - Cambridge, Corpus Christi College, 163 184-6
• st: 76 - Cambridge, Corpus Christi College, 270, fols. 2-173 186-7
• st: 104 - Cambridge, Corpus Christi College, 391 191-2
• st: 155 - Cambridge, Sidney Sussex College, Δ. 5. 15 (100), pt. ii 181