Clark, George T. Mediaeval Military Architecture in England. 2 vols. London: Wyman & Sons, 1884.
Collinson, John. The History and Antiquities of the County of Somerset. 1st ed. [1791], 1st ed. Index [1898], 1st ed. Supplement [1939]. Gloucester: Sutton, 1983.
Sussex
Clark, George T. Mediaeval Military Architecture in England. 2 vols. London: Wyman & Sons, 1884.
Clark, George T. 'The Castle of Lewes.' Sussex Archaeological Collections 34 (1886): 57–68.
Cleere, Henry and David Crossley. The Iron Industry of the Weald. Leicester: Leicester University Press, 1985.
Westmorland
Clark, George T. Mediaeval Military Architecture in England. 2 vols. London: Wyman & Sons, 1884.
Kent
Clarke, Helen, Sarah Pearson, Mavis Mate and Keith Parfitt. Sandwich: The Completest Medieval Town in England. Oxford: Oxbow Books, 2010.
Clinch, George. 'Notes on the Remains of Westenhanger House, Kent.' Archaeologia Cantiana 31 (1915): 76–81.
Cock, F.W. 'Additional Notes on the Horne and Chute Families of Appledore.' Archaeologia Cantiana 49 (1938): 157–66.
Shropshire
Colvin, H.M., John Summerson, Martin Biddle, J.R. Hale and Marcus Merriman, eds. The History of the King's Works: 1485–1660 (Part II). vol 4. London: HMSO, 1982.