Calder CST. Notice of Two Standing Stones (one with Pictish Symbols) on the Lands of Peterhead Farm, near Gleneagles, Perthshire. PSAS [Internet]. 1949 Nov. 30 [cited 2024 Nov. 22];81:1-7. Available from: https://journals.socantscot.org/index.php/psas/article/view/8270