^Knowles, et al. Heads of Religious Houses pp. 50–51
^Fryde, et al. Handbook of British Chronology p. 222
References
Fryde, E. B.; Greenway, D. E.; Porter, S.; Roy, I. (1996). Handbook of British Chronology (Third revised ed.). Cambridge, UK: Cambridge University Press. ISBN0-521-56350-X.
Knowles, David (1976). The Monastic Order in England: A History of its Development from the Times of St. Dunstan to the Fourth Lateran Council, 940–1216 (Second reprint ed.). Cambridge, UK: Cambridge University Press. ISBN0-521-05479-6.