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. (1993). Proceedings of the Society of Antiquaries of Scotland, 122, 215-287. https://doi.org/10.9750/PSAS.122.215.287