Bibliography

I have used the following books in compiling posts for the Anglo-Saxons:

David Carpenter, The Struggle for Mastery. The Penguin History of Britain 1066-1284 (London: Penguin, 2004)
Thomas Charles-Edwards, After Rome: Short Oxford History of the British Isles (Oxford: Oxford University Press, 2003)
Jayne Carroll, Stephen H. Harrison and Gareth Williams, The Vikings in Britain and Ireland (The British Museum, 2014)
Wendy Davies, From the Vikings to the Normans: Short Oxford History of the British Isles (Oxford: Oxford University Press, 2003)
Robin Fleming, Britain after Rome: The Fall and Rise, 400 to 1070 (London: Penguin, 2011)
Tom Holland, Millennium: The End of the World and the Forging of Christendom (London: Abacus, 2008)
Robert Shepherd, Westminster: A Biography: From Earliest Times to the Present (London: Bloomsbury, 2012)
David Starkey, The Monarchy of England, vol. 1, The Beginnings (London: Chatto and Windus, 2004)
Chris Wickham, The Inheritance of Rome: A History of Europe from 400 to 1000 (Penguin, 2009)

The BBC History site also has a useful short discussion.