@article{Simpson_1924, title={Supplementary Note to the Excavation of Coull Castle}, volume={58}, url={http://journals.socantscot.org/index.php/psas/article/view/7610}, DOI={10.9750/PSAS.058.370}, journal={Proceedings of the Society of Antiquaries of Scotland}, author={Simpson, W}, year={1924}, month={Nov.}, pages={370} }