Kirkness W. Notes on the Discovery of a Coped Monument and an Incised Cross-slab at the Graveyard, St Boniface Church, Papa Westray, Orkney. PSAS [Internet]. 1921 Nov. 30 [cited 2024 Dec. 21];55:131-4. Available from: https://journals.socantscot.org/index.php/psas/article/view/7509