David Preest

• Chronicle of Geoffrey le Baker
• Annals of Dunstable Priory
• Chronica Maiora of Thomas Walsingham (1376-1422)
• Chronicle and Annals of Gilles le Muisit
• Chronicle of Geoffrey le Baker of Swinbrook
• Deeds of the Abbots of St Albans
• Deeds of the Bishops of England [Gesta Pontificum Anglorum]
• Deeds of the Bishops of England [Gesta Pontificum Anglorum] by William of Malmesbury
• Hugh of Eversden