SMALL, John. Sketches of later Scottish Alchemists: – John Napier of Merchiston – Robert Napier – Sir David Lindsay – first Earl of Balcarres – Patrick Ruthven – Alexander Seton – and Patrick Scot. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 11, p. 410–438, 1876. DOI: 10.9750/PSAS.011.410.438. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5755. Acesso em: 7 may. 2024.