Referenced in:

• st: 307.8 - London, British Library, Cotton Augustus II. 61 280
• st: 346 - London, British Library, Cotton Otho A. i (with Oxford, Bodleian Library, Arch. Selden B. 26) 266-7
• st: 383 - London, British Library, Cotton Vespasian A. xiv, fols. 114-79 (‘Letter-book of Archbishop Wulfstan’) 308-9 [Council of Chelsea]