See Carlson, David (2017). "Procopius's Old English". Byzantinische Zeitschrift. 110 (1): 1–28. doi:10.1515/bz-2017-0003. citing Procopius, Wars, book VIII, xx. Elsewhere Procopius mentions the Warini living immediately south of the Danes, Book VI, xv.
Giles 1843b:188–189, Bede's Ecclesiastical History, Bk V, Ch 9. Giles, John Allen, ed. (1843b), "Ecclesiastical History, Books IV and V", The Miscellaneous Works of Venerable Bede, vol. III, London: Whittaker and Co. (published 1843)
Giles 1843a:72–73, Bede's Ecclesiastical History, Bk I, Ch 15. Giles, John Allen, ed. (1843a), "Ecclesiastical History, Books I, II and III", The Miscellaneous Works of Venerable Bede, vol. II, London: Whittaker and Co. (published 1843)
See Carlson, David (2017). "Procopius's Old English". Byzantinische Zeitschrift. 110 (1): 1–28. doi:10.1515/bz-2017-0003. citing Procopius, Wars, book VIII, xx. Elsewhere Procopius mentions the Warini living immediately south of the Danes, Book VI, xv.
Martin 1971, pp. 83–104. Martin, Kevin M. (1971). "Some Textual Evidence Concerning the Continental Origins of the Invaders of Britain in the Fifth Century". Latomus. 30 (1): 83–104. JSTOR41527856.
See Carlson, David (2017). "Procopius's Old English". Byzantinische Zeitschrift. 110 (1): 1–28. doi:10.1515/bz-2017-0003. citing Procopius, Wars, book VIII, xx. Elsewhere Procopius mentions the Warini living immediately south of the Danes, Book VI, xv.