Dugdale, William, Sir. Benedictine Nunnery of Elstow, Helenestow, Elnstowe, or Alnestowe, in Bedfordshire in Dugdale's Monasticon Volume 3 Vol. 3: 411-17

[Benedictine Nunnery of Elstow, Helenestow, Elnstowe, or Alnestowe, in Bedfordshire]
With excerpts from primary sources in Latin.