1.
Allen JR. Report on the Photography of the Sculptured Stones earlier than A.D. 1100, in the District of Scotland south of the river Dee; obtained under the Jubilee Gift of His Excellency Dr. R. H. Gunning, LL.D., F.S.A. Scot. PSAS [Internet]. 1897 Nov. 30 [cited 2024 May 2];31:147-52. Available from: https://journals.socantscot.org/index.php/psas/article/view/6658