-, -. Letter to Mr Cummyng, Secretary to the Society of the Antiquaries of Scotland. From the Rev. Dr Barclay of Middleton. Archaeologia Scotica, [S. l.], v. 1, p. 553–554, 1793. Disponível em: https://journals.socantscot.org/index.php/arch-scot/article/view/357. Acesso em: 26 apr. 2024.