Jones, C. W., Gregorius I, t. G. S., & Guthlac Saint. English. (1947). Saints' lives and chronicles in early England: Together with first English translations of The oldest life of Pope St. Gregory the Great by a monk of Whitby, and The life of St. Guthlac of Crowland by Felix. Cornell University Press.

Jones, Charles Williams, the Great Saint Gregorius I, and Guthlac Saint. English. Saints' Lives and Chronicles in Early England: Together with First English Translations of The Oldest Life of Pope St. Gregory the Great by a Monk of Whitby, and The Life of St. Guthlac of Crowland by Felix. Ithaca: Cornell University Press, 1947.

Jones, Charles Williams, et al. Saints' Lives and Chronicles in Early England: Together with First English Translations of The Oldest Life of Pope St. Gregory the Great by a Monk of Whitby, and The Life of St. Guthlac of Crowland by Felix. Cornell University Press, 1947.