Davies, R. R. (1985). "Henry I and Wales". En Davis, R H C; Mayr-Harting, Henry; Moore, Robert Ian (eds.). Studies in medieval history presented to R.H.C. Davis. Londres: The Hambledon Press. pp. 145–146. ISBN 0-907628-68-0. Recuperado el 22 de octubre de 2010.
Wade, George Wöosung; Wade, Joseph Henry (1930). Monmouthshire. Little Guides (2ª ed.). Londres: Cambridge University Press. p. 101. Recuperado el 30 de octubre 2010: «... during the disturbances of Stephen's reign they suffered so much from the raids of the Welshmen, that under the patronage of Milo of Gloucester, Constable of England, and in 1140 Earl of Hereford, they migrated to Gloucester where a new Llanthony was founded for them in 1136».
Davis, H W C (2009). Johnson, Charles; cronne, H A (eds.). Regesta Regum Anglo-Noermanorum. vol. regesta henricui primi 1100-1135. Oxford: BiblioBazaar LLC. p. xvi. ISBN 978-1-115-38708-8. Recuperado el 28 de octubre 2010.
Evans, Christopher J (1912). Breconshire. Cambridge: Cambridge University Press. p. 81. Recuperado el 26 de octubre de 2010. «Four of his [Milo's] sons succeeded him, but as they died without male heirs, their possessions went by marriage to Philip de Breos of Builth, the husband of their second sister».
Nelson, Lynn H (1966). The Normans in South Wales, 1071-1171. Austin: University of Texas Press. pp. 83–84. ISBN 9780292781054. Recuperado el 25 de octubre de 2010.
Nelson, Lynn H (1966). The Normans in South Wales, 1071-1171. Austin: University of Texas Press. p.123. ISBN 9780292781054. Recuperado el 22 de octubre de 2010.