Dunstan, now Abbot of Glastonbury, went to work at once on the task of reform. He had to re-create monastic life and to rebuild the abbey. He began by establishing Benedictine monasticism at Glastonbury. The Rule of St. Benedict was the basis of his restoration according to the author of 'Edgar's Establishment of the Monasteries' (written in the 960s or 970s) and according to Dunstan's first biographer, who had been a member of the community at Glastonbury. Their statements are also in accordance with the nature of his first measures as abbot, with the significance of his first buildings, and with the Benedictine leanings of his most prominent disciples.