A Stone Cist and its Contents found at Piekie Farm, near Boarhills, Fife. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 61, p. 30–44, 1927. DOI: 10.9750/PSAS.061.30.44. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/7689. Acesso em: 28 oct. 2025.