Alcock, L., & Alcock, E. A. (n.d.). Reconnaissance excavations on Early Historic fortifications and other royal sites in Scotland, 1974-84; 5: A, Excavations & other fieldwork at Forteviot, Perthshire, 1981; B, Excavations at Urquhart Castle, Inverness-shire, 1983; C, Excavations at Dunnottar, Kincardineshire, 1984. Retrieved from file:///C:/Users/KEVIN/Downloads/9440-Article Text-9392-1-10-20181029.pdf
Samson, R. (1982). Finds from Urquhart Castle in the National Museum, Edinburgh, 1–12. Retrieved from file:///C:/Users/KEVIN/Downloads/9092-Article Text-9046-1-10-20181026.pdf