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openlibrary.org
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"Remembering a King". Reading Museum. Reading Borough Council. 5 July 2018. Retrieved 5 December 2018.
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Green 2009, p. 314; Southern 1962, p. 231, cited in Green 2009, p. 314; Poole 1993, p. 99 Green, Judith (2009). Henry I: King of England and Duke of Normandy. Cambridge, UK: Cambridge University Press. ISBN978-0-5217-4452-2. Southern, Richard (1962). "The Place of Henry I in English History". Proceedings of the British Academy. 48: 127–169. ISSN0068-1202. Green, Judith (2009). Henry I: King of England and Duke of Normandy. Cambridge, UK: Cambridge University Press. ISBN978-0-5217-4452-2. Poole, A. L. (1993) [1951]. From Domesday Book to Magna Carta, 1087–1216: Oxford History of England. Oxford, UK: Oxford University Press. ISBN978-0-1928-5287-8.
Green 2009, pp. 15, 319; Hollister & Baldwin 1978, pp. 867–868 Green, Judith (2009). Henry I: King of England and Duke of Normandy. Cambridge, UK: Cambridge University Press. ISBN978-0-5217-4452-2. Hollister, C. Warren; Baldwin, John W. (1978). "The Rise of Administrative Kingship: Henry I and Philip Augustus". The American Historical Review. 83 (4): 867–805. doi:10.2307/1867650. ISSN0002-8762. JSTOR1867650.