The castle whose ruins are still found at Tintagel was built in the twelfth century; but there is evidence that the site was occupied, perhaps by a nobleman, as early as the fifth century.
Ashe, Geoffrey. With Photographs by Simon McBride. The Landscape of King Arthur. New York: Henry Holt and Co., 1988. (Pp. 66-75 discuss Tintagel.)
Ditmas, E. M. R. “The Invention of Tintagel.” Bulletin Bibliographique de la Société Internationale Arthurienne 23 (1971): 131-36.
Earl, Benjamin. "Literary Tourism: Constructions of Value, Celebrity and Distinction." International Journal of Cultural Studies 11.4 (Dec. 2008 Dec): 401-417.
Morley, Patricia. “Patrick Whyite’sw A Finge of Leaves: Jourey to Tintagel." World Literature Written in English 21.2 (Summer 1982): 303-315.
Noble, James. "Tintagel: The Best of English Twinkie." In King Arthur in Popular Culture. Ed. Elizabeth S. Sklar and Donald Hoffman. Jefferson, NC: McFarland, 2002. Pp. 36-43.
Radford, C. A. Ralegh. "Romance and Reality in Cornwall." In Geoffrey Ashe, Leslie Alcock, C. A. Ralegh Radford, and Philip Rahtz. The Quest for Arthur's Britain. London: Pall Mall Press, 1968. Pp. 59-77. (Pp. 59-70 deal specifically with Tintagel.)
Simpson, Roger. "Landon's 'A Legend of Tintagel Castle': Another Analogue of Tennyson's 'Thye Lady of Shalott.'" The Tennyson Research Bulletin 4:4 (Nov. 1985): 179-185.
Queen Guennivar's Round - 1869 (Author)
The Quest of the Sangraal - 1864 (Author)