WALKER, George. Part of a letter from George Walker, Esq., Landscape Painter, to the Secretary, respecting Ancient Monuments in Edinburgh. Archaeologia Scotica, [S. l.], v. 3, p. 296, 1832. Disponível em: https://journals.socantscot.org/index.php/arch-scot/article/view/239. Acesso em: 25 apr. 2024.