* Paris, Matthew, Roger of Wendover, and Richards, Henry, "Matthæi Parisiensis, monachi Sancti Albani, Chronica majora", Longman & Co. 1880.
* Paris, Matthew, Roger of Wendover, and Richards, Henry, "Matthæi Parisiensis, monachi Sancti Albani, Chronica majora", Longman & Co. 1880.