Harding, D.W. (ed), 1976, Hillforts: later prehistoric earthworks in Britain and Ireland, Academic Press.
Jobey, G. 1976, Traprain Law: a summary, in Harding D.W. (ed), 192-204.
MacKie, E.W. 1976, The vitrified forts of Scotland, in Harding D.W. (ed), 205-35.
Islay
Caldwell, D H 2001 Islay, Jura and Colonsay: A Historical Guide
Childe, V G 1935 'Notes on some duns in Islay', Proc Soc Antiq Scot, LXIX (1934-5), 81-4
Piggott S and Piggott C M 1948 'Field work in Colonsay and Islay, 1944-45', Proc Soc Antiq Scot, LXXX (1945-6), 83-103
RCAHMS 1984 Argyll, an inventory of the monuments. Volume 5: Islay, Jura, Colonsay and Oronsay
