Notes of the Brochs or Pictish Towers of Mousa, Clickemin, &c., in Shetland, illustrative of part of the Series of Plans and Sections deposited in the Library of the Society. arch-scot. 1891;5:199-212. Accessed December 11, 2025. https://journals.socantscot.org/index.php/arch-scot/article/view/316