Muhlberger S. The fifth-century chroniclers: Prosper, Hydatius, and the Gallic Chronicler of 452. Leeds, 1990.
Muhlberger S.
Myres J. N. L. The Adventus Saxonum // Aspects of archaeology in Britain and beyond. Essays presented to O. G. S. Crawford / Ed. by W. F. Grimes. London, 1951. P. 221-241.
Myres J. N. L.
Adventus Saxonum
Myres J. N. L. The English settlements. Oxford, 1986 (The Oxford history of England, IB).
O'Riain P. The Irish element in Welsh Hagiographical tradition // Irish Antiquity. Essays and studies presented to professor M.J. O'Kelly / Ed. by D. O' Corrain. Cork, 1981. P. 291-303.
O'Riain P.
O' Riain P. Gildas: a solution to his enigmatic name? // Irlande et Bretagne. Vingt siecles d'histoire. Actes du colloque de Rennes (29-31 mars 1993) / Ed. С Laurent, H. Davis. Rennes, 1994. P. 23-29.
O' Riain P.
O'Donoghue D. Lives and legends of Saint Brendan the Voyager. Dublin, 1893, repr., Felinfach, 1994.
O'Donoghue D.
O'Sullivan T. D. The De Excidio of Gildas. Its authenticity and date. Leiden, 1978.
O'Sullivan T. D.
Piggott S. The sources of Geoffrey of Monmouth. II. The Stonehenge story // Antiquity. Vol. XV. № 60. December 1941. P. 305-319.
Piggott S.
Polydorus Vergilius Urbinas. Anglicae historiae libri viginti septem. Basileae, 1570.
Polydorus Vergilius Urbinas.
Ralegh Radford С A. Vortigern // Antiquity. Vol. 32. № 125. March 1958. P.9-24.
Ralegh Radford С A.