WHITE, Kenneth M. Notes on an Old Coal-Working and a Wooden Shovel from Ormiston, East Lothian. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 75, p. 122–127, 1941. DOI: 10.9750/PSAS.075.122.127. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8156. Acesso em: 25 apr. 2024.