Anderson J. Notice of the Excavation of the Brochs of Yarhouse, Brounaben, Old Stirkoke, Bowermadden, and Dunbeath, in Caithness; with Remarks on the Period of the Brochs; and an Appendix, containing a List of Brochs in Scotland, and Early Notices of many of them. PSAS [Internet]. 30Nov.1872 [cited 30Sep.2023];9:292. Available from: http://journals.socantscot.org/index.php/psas/article/view/5490