Crone, Anne, J O'Sullivan, J Carrott, A Duffy, T Holden, M Issitt, H Kenward, F Large, T O'Sullivan, and T Rees. “Excavation of a Cropmark Enclosure at Brixwold, (Dalhousie Mains), Bonnyrigg, Midlothian”. Proceedings of the Society of Antiquaries of Scotland 127 (November 30, 1998): 387–405. Accessed April 26, 2024. https://journals.socantscot.org/index.php/psas/article/view/9970.