Primary Sources for Construction and Building in the Reign of Henry VIII:
Duchy of Lancaster, 29/8431 (1526)
The National Archive, E 36/159 (1538)
Selected Secondary Sources:
Colvin, Howard M., ed., The History of the King’s Works, vol. 3 (London: Her Majesty’s Stationery Office, 1975), 287–90.
Ellis, A.S. “Picture of Pontefract castle at Hampton Court Palace,” Miscellanea VII (Thoresby Society 24, 1919): 1–5.
Goodall, John. The English Castle 1066–1650 (New Haven and London: Yale University Press, 2011).
Holmes, Richard. Pontefract Castle (Pontefract: Holmes, 1951).
Roberts, Ian. Pontefract Castle: Archaeological excavations 1982–86 (West Yorkshire Archaeology Service; Yorkshire Archaeology 8, 2002).
Thurley, Simon. Houses of Power: The Places that Shaped the Tudor World (London: Bantam, 2017), 36, 192.
Weir, Allison. Henry VIII, The King and His Court. New York: Ballantine Books, 2001), 37.
Selected Online Links
http://www.gatehouse-gazetteer.info/English%20sites/3493.html
http://www.wyjs.org.uk/media/1354/pontefract-castle.pdf
https://en.wikipedia.org/wiki/Pontefract_Castle