Perry, D., P. Dixon, J. Mackenzie, P. Sharman, A. Cox, D. Hall, C. Smith, P. Spoerry, C. Wickham-Jones, D. Gallagher, B. Ford, D. Henderson, D. Tarling, A. Crowdy, B. Moffatt, and D. Bateson. “The Origins of the Settlements at Kelso and Peebles, Scottish Borders”. Scottish Archaeological Internet Reports, Vol. 2, Jan. 2003, pp. 1-60, doi:10.9750/issn.2056-7421.2003.2.1-160.