@article{Thomas_1867, title={On the Primitive Dwellings and Hypogea of the outer Hebrides}, volume={7}, url={http://journals.socantscot.org/index.php/psas/article/view/5321}, DOI={10.9750/PSAS.007.153.195}, journal={Proceedings of the Society of Antiquaries of Scotland}, author={Thomas, F}, year={1867}, month={Nov.}, pages={153-195} }