Referenced in:

• mss: 252 - Edinburgh, National Library of Scotland, Advocates 18. 6. 12
• mss: 253 - Edinburgh, National Library of Scotland, Advocates 18. 7. 7
• facs: 254 - Edinburgh, National Library of Scotland, Advocates 18. 7. 8 [palimpsest, upper script] pls. III-IV
• mss: 254 - Edinburgh, National Library of Scotland, Advocates 18. 7. 8 [palimpsest, upper script]
• mss: 255 - Edinburgh, National Library of Scotland, Advocates 18. 7. 8 [palimpsest, lower script; fragments]
• mss: 754.6 - Salisbury, Cathedral Library, 222 [formerly Oxford, Bodleian Library, Fell 1 (returned to Salisbury, August 1985)] 173 and n. 1 [repr. N.R. Ker (1985) 127 and n. 1]