@article{Anderson_1872, title={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}, volume={9}, url={http://journals.socantscot.org/index.php/psas/article/view/5490}, DOI={10.9750/PSAS.009.292}, journal={Proceedings of the Society of Antiquaries of Scotland}, author={Anderson, Joseph}, year={1872}, month={Nov.}, pages={292} }