J.M. Wallace Hadrill. Oxford: Oxford University Press, 1981. 101-26. Brett, Martin, "John, monk of Worcester." In The Blackwell Encyclopedia of Anglo-Saxon England, ed. Michael Lapidge, et al. Oxford: Blackwell, 1999. Gransden, Antonia. Historical writing in England c. 550 to 1307. Vol 1. London, 1974. 143–8. O'Donnell, Thomas. "Identities in Community: Literary Culture and Memory at Worcester." In Constructing History Across the Norman Conquest: Worcester, c.1050-c.1150, ed. by Francesca Tinti and D. A. Woodman. York: York Medieval Press, 2022. 31-60. Orderic Vitalis, Historia Ecclesiastica, ed. and tr. Marjorie Chibnall, The Ecclesiastical History of Orderic Vitalis. 6 volumes. Oxford Medieval Texts. Oxford, 1968–1980. . 1140s deaths Year of birth unknown Year of death uncertain 12th-century English historians English Christian monks English chroniclers Writers from Worcester, England English male non-fiction writers 12th-century Latin writers 12th-century English writers 12th-century astronomers