Campbell, Ewan, Judith Finlay, and Julian Henderson. 1992. “Excavations of a Wheelhouse and Other Iron Age Structures at Sollas, North Uist, by R J C Atkinson in 1957”. Proceedings of the Society of Antiquaries of Scotland 121 (November), 117-73. http://journals.socantscot.org/index.php/psas/article/view/9403.