12 6 600-1500 673-735 anglo-saxon anglo-saxons authors bede biography christianhagiography christiansaints churchhistory civilization cult dunstan dunstanus earlyworksto1800 england english heiligenvita history historyofdoctrines intellectuallife latin(medievalandmodern) middleages monasticismandreligiousorders nm6240 oldenglish religiouslifeandcustoms to1500