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4. Alcock, Nat, and Martin Roberts, “Crucks in the North-East and Yorkshire.” In Alcock, Barnwell and Cherry, Cruck Building, 168–91.
5. Duffy S. J. Montague K. Mulligan and M. O’Neill. Dublin Castle from Fortress to Palace I: Vikings to Victorians: A History of Dublin Castle to 1850. Dublin: National Monuments Service 2022.